Question

This is a c++ questions that calculates the investments/ loans. Below is the sample output, which have few scenerios.

Enter how much money you will be putting towards loans/retirement each month: 500
Enter how much you owe in loans: 40000
Enter the annual interest rate of the loans: 0.03 Enter your minimum monthly loan payment: 405.32 Enter your current age: 22

     Enter the age you plan to retire at: 65
     Enter the annual rate of return you predict for your
     investments: .05
     You should only make the minimum payments on your loan and apply
     the rest towards retirement.
     If you do you will have $592888.96 when you retire as opposed to
     $587281.54 if you payed off your loan before investing.

Enter how much money you will be putting towards loans/retirement each month: 1053
Enter how much you owe in loans: 50000
Enter the annual interest rate of the loans: 0.06 Enter your minimum monthly loan payment: 350 Enter your current age: 25

     Enter the age you plan to retire at: 70
     Enter the annual rate of return you predict for your
     investments: 0.05
     You should apply all $1053.00 towards your loan before making
     any investments.

   If you do you will have $1651149.44 when you retire as opposed
   to $1619732.68 if you only made minimum payments.Enter how much
   money you will be putting towards loans/retirement each month:
   50

   Enter how much you owe in loans: 1000
   Enter the annual interest rate of the loans: 0.05
   Enter your minimum monthly loan payment: 400
   You didn't set aside enough money to pay off our loans. Ending
   program.

Enter how much money you will be putting towards loans/retirement each month: 500
Enter how much you owe in loans: 10000
Enter the annual interest rate of the loans: .02 Enter your minimum monthly loan payment: 100 Enter your current age: 18

   Enter the age you plan to retire at: 20
   Enter the annual rate of return you predict for your
   investments: 0.07
   Warning! After you retire you will still have $7961.19 in loans
   left.
   You should only make the minimum payments on your loan and apply
   the rest towards retirement.
   If you do you will have $10272.41 when you retire as opposed to
   $1835.38 if you payed off your loan before investing.

Enter how much money you will be putting towards loans/retirement each month: bob
Enter how much money you will be putting towards loans/retirement each month: cat

   Enter how much money you will be putting towards
   loans/retirement each month: -3
   Enter how much money you will be putting towards
   loans/retirement each month: 250

   Enter how much you owe in loans: something
   Enter how much you owe in loans: 25 boys
   Enter how much you owe in loans: 1000
   Enter the annual interest rate of the loans: ziggy
   Enter the annual interest rate of the loans: -3
   Enter the annual interest rate of the loans: .1
   Enter your minimum monthly loan payment: 50 50
   Enter your minimum monthly loan payment: 25

   Enter your current age: -5
   Enter your current age: 20
   Enter the age you plan to retire at: 18
   Enter the age you plan to retire at: 65
   Enter the annual rate of return you predict for your
   investments: -8
   Enter the annual rate of return you predict for your
   investments: 0.04
   You should apply all $250.00 towards your loan before making any

investments.
If you do you will have $371259.10 when you retire as opposed to
$370579.15 if you only made minimum payments.

Answer 1

Copyable Code:

#include <iostream>

using namespace std;

void main()

{

      double money = 0.0;

      double Ol = 0.0;

      double aIR = 0.0;

      double mMP = 0.0;

      double Rr = 0.0;

      double money_save = 0.0;

      double cA = 0.0;

      int PAge = 0;

      int RAge = 0;

      //initialiese loop variable

      int i = 0;

cout<<"\nEnter how much money you will be putting towards loans/retirement each month";

      cin>>money;

      cout<<"\nEnter how much you owe in loans";

      cin>>Ol;

      cout<<"\nEnter the annual interest rate of the loans:";

      cin>>aIR;

      cout<<"\nEnter your minimum monthly loan payment:";

      cin>>mMP;

      cout<<"\nEnter your current age:";

      cin>>PAge;

      cout<<"\nEnter the age you plan to retire at:";

      cin>>RAge;

cout<<"\n Enter the annual rate of return you predict for your investments";

      cin>>Rr;

      cout<<"\n";

      for(i = 0; i < (RAge - PAge) * 12; ++i)

      {

      if(Ol > 0) {

            cout<<"\n Month:"<<i+1;

            cout<<"\n Current savings:"<<money_save;

            cA = money_save * (Rr/12);

            money_save += cA;

            money_save += (money - mMP);

            if(mMP > Ol) {

            money_save += -(Ol - mMP);

            Ol = 0;

            }

            else

            {

            Ol+= (Ol * aIR/12);

            Ol -= mMP;

            }

            cout<<"\nLoans owned:"<<Ol;

            cout<<"After interest savings:"<<money_save;

            cout<<"Compound amount:"<<cA;

      }

      else

      {

            cout<<"\n Month"<<i+1;

            cA = money_save * (Rr/12.0);

            money_save += money;

            money_save += cA;

            cout<<"\nCurrent savings:"<<money_save;

            cout<<"\nLoans owned:"<<Ol;

            cout<<"After interest savings:"<<money_save;

            cout<<"\n Compunded amount:"<<cA;

      }

      }

      cout<<"\nSavings:"<<money_save;

      if(mMP * (RAge - PAge) * 12 >= Ol) {

cout<<"\n Do minimum payments on loan and remaining towards retirement.";

      }

      else

      {

            cout<<"Apply all"<<money<<"towads loan";

      }

      system("pause");

}