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mGalarnykmGalarnyk
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Updated car laon before edits
1 parent b63177e commit 631c26e

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Lines changed: 181 additions & 22 deletions

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‎Finance/.ipynb_checkpoints/car_loans-checkpoint.ipynb‎

Lines changed: 114 additions & 8 deletions
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@@ -198,13 +198,13 @@
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"# 7.5% state sales tax rate on the purchase of all vehicles\n",
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"\n",
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"# Annual percentage rate\n",
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"APR = .0359\n",
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"APR = .0702\n",
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"\n",
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"# periodic interest rate = APR/number of periods per year\n",
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"R = APR / 12\n",
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"\n",
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"# Total number of interest periods (number of months)\n",
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"n = 72"
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"n = 60"
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]
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},
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{
@@ -230,7 +230,7 @@
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Monthly payment is: 517.08\n"
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"Monthly payment is: 662.64\n"
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]
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}
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],
@@ -242,27 +242,27 @@
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## How your Monthly Payment (Equated Monthly Installment) is Calculated"
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"## Calculating a Monthly Payment (Simplified)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 69,
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"execution_count": 5,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": [
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"# California sales tax 7.5%\n",
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"Principal = 31115 * (1.075)\n",
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"P = 31115 * (1.075)\n",
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"\n",
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"r = 0.0702 / 12\n",
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"n = 60"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 70,
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"execution_count": 6,
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"metadata": {
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"collapsed": false
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},
@@ -273,7 +273,55 @@
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"662.638532377825"
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]
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},
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"execution_count": 70,
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"execution_count": 6,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"numerator = (r *((1 + r)**(n)) )\n",
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"denominator = ((1 + r)**(n)) - 1\n",
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"\n",
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"emi = P * (numerator / denominator)\n",
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"emi"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Calculating a Monthly Payment (with some fees included)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": [
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"# Price + Tax + Emissions + Registration + Plate + Documentation\n",
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"P = 31115 + (32615 * 0.0975) + 50 + 200 + 65 + 80\n",
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"\n",
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"r = 0.0702 / 12\n",
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"n = 60"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"687.2302176619154"
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]
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},
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"execution_count": 8,
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"metadata": {},
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"output_type": "execute_result"
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}
@@ -286,6 +334,64 @@
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"emi"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"('The difference between the two is: ', 24.590000000000032)"
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]
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},
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"execution_count": 9,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"'The difference between the two is: ', 687.23 - 662.64"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"collapsed": false
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},
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"source": [
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"## How Interest Rates Affects Monthly Payments"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "markdown",
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"metadata": {},

‎Finance/car_loans.ipynb‎

Lines changed: 67 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -247,7 +247,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"execution_count": 5,
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"metadata": {
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"collapsed": true
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},
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"execution_count": 6,
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"metadata": {
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"collapsed": false
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},
@@ -273,7 +273,7 @@
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"662.638532377825"
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]
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},
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"execution_count": 10,
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"execution_count": 6,
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"metadata": {},
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"output_type": "execute_result"
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}
@@ -295,7 +295,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"execution_count": 14,
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"metadata": {
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"collapsed": true
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},
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"execution_count": 15,
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"metadata": {
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"collapsed": false
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},
@@ -321,7 +321,7 @@
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"687.2302176619154"
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]
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},
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"execution_count": 2,
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"execution_count": 15,
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"metadata": {},
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"output_type": "execute_result"
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}
@@ -336,35 +336,88 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 16,
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"metadata": {
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"collapsed": true
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"collapsed": false
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},
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"outputs": [],
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"source": []
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"outputs": [
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{
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"data": {
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"text/plain": [
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"('The difference between the two is: ', 24.590000000000032)"
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]
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},
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"execution_count": 16,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"'The difference between the two is: ', 687.23 - 662.64"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"collapsed": false
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},
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"source": [
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"## How Interest Rates Affects Monthly Payments"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 19,
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"execution_count": 17,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"24.590000000000032"
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"0.01884"
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]
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},
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"execution_count": 19,
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"execution_count": 17,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"687.23 - 662.64"
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"(1884/ 5) / 20000"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 18,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"0.23772763121156398"
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]
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},
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"execution_count": 18,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"(12 * 687.2302176619154) / (P)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "markdown",
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"metadata": {},

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