8 Annuities.ipynb

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   "source": [
    "def TVM(p,r,t,type):\n",
    "    discount = (1+r)**t\n",
    "    if type==\"FV\":\n",
    "        A = p*discount\n",
    "        return A\n",
    "    if type==\"PV\":\n",
    "        A = p/discount\n",
    "        return A"
   ]
  },
  {
   "cell_type": "code",
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   "metadata": {},
   "outputs": [
    {
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     "text": [
      "772.1734929184811\n"
     ]
    }
   ],
   "source": [
    "payment=100\n",
    "rate=.05\n",
    "years=10\n",
    "\n",
    "total=0\n",
    "for year in range(1,years+1):\n",
    "    total+=TVM(payment,rate,year,\"PV\")\n",
    "print(total)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "810.7821675644052\n"
     ]
    }
   ],
   "source": [
    "payment=100\n",
    "rate=.05\n",
    "years=10\n",
    "\n",
    "total=0\n",
    "for year in range(1,years+1):\n",
    "    total+=TVM(payment,rate,year,\"PV\")\n",
    "print(total*(1+rate))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "810.7821675644052\n"
     ]
    }
   ],
   "source": [
    "payment=100\n",
    "rate=.05\n",
    "years=10\n",
    "\n",
    "total=0\n",
    "for year in range(0,years):\n",
    "    total+=TVM(payment,rate,year,\"PV\")\n",
    "print(total)"
   ]
  }
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