Updated car loan image to show how things are calculated

Author: mGalarnyk

.DS_Store

@@ -198,13 +198,13 @@
     "# 7.5% state sales tax rate on the purchase of all vehicles\n",
     "\n",
     "# Annual percentage rate\n",
-    "APR = .0359\n",
+    "APR = .0702\n",
     "\n",
     "# periodic interest rate = APR/number of periods per year\n",
     "R = APR / 12\n",
     "\n",
     "# Total number of interest periods (number of months)\n",
-    "n = 72"
+    "n = 60"
    ]
   },
   {
@@ -230,7 +230,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Monthly payment is: 517.08\n"
+      "Monthly payment is: 662.64\n"
      ]
     }
    ],
@@ -242,27 +242,27 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## How your Monthly Payment (Equated Monthly Installment) is Calculated"
+    "## Calculating a Monthly Payment (Simplified)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 69,
+   "execution_count": 9,
    "metadata": {
     "collapsed": true
    },
    "outputs": [],
    "source": [
     "# California sales tax 7.5%\n",
-    "Principal = 31115 * (1.075)\n",
+    "P = 31115 * (1.075)\n",
     "\n",
     "r = 0.0702 / 12\n",
     "n = 60"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 70,
+   "execution_count": 10,
    "metadata": {
     "collapsed": false
    },
@@ -273,7 +273,7 @@
        "662.638532377825"
       ]
      },
-     "execution_count": 70,
+     "execution_count": 10,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -286,6 +286,31 @@
     "emi"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Calculating a Monthly Payment (with some fees included)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  },
   {
    "cell_type": "markdown",
    "metadata": {},