/* Craig Persiko - CS 110A - invest.cpp
   Sample program to demonstrate constants and if-statement.

   Investment Program
   Allows user to enter the amount of an investment.
   Investments under $50,000 earn 5% interest, and investments equal to
   or above $50,000 earn 6% interest.  The dollar amount of interest
   earned is output by the program.
*/
#include <iostream>

using namespace std;

int main()
{
  double inv_amount, int_earned;

  // Format output to show dollars and cents:

  cout.setf(ios::fixed);
  cout.setf(ios::showpoint);
  cout.precision(2);

  cout << "\nWelcome to Investment World";
  cout << "\n\nEnter amount to be invested: $";
  cin >> inv_amount;

  if(inv_amount < 50000.0)
  {
    if (inv_amount <= 0)
    {
      int_earned = 0;
      cout << "You need to have money to make interest\n";
    }
    else
    {
      int_earned = inv_amount * 0.05; // 5% interest

      cout << "You're earning 5% interest\n";
    }
  }
  else if(inv_amount < 100000.0)
    int_earned = inv_amount * 0.06; // 6% interest

  else if(inv_amount < 200000.0)
    int_earned = inv_amount * 0.07; // 7% interest

  else if(inv_amount < 300000.0)
    int_earned = inv_amount * 0.08; // 8% interest

  else
    int_earned = inv_amount * 0.09; // 9%


  cout << "Your investment earns $" << int_earned
       << " interest in one year.";
  cout << "Your total in the bank is: $" <<(inv_amount + int_earned);
  cout << "\n\nEnd of Investment Program\n";

  return 0;
}

/*  SAMPLE OUTPUT:

-bash-4.2$ aCC -AA moreInterest.cpp
-bash-4.2$ a.out

Welcome to Investment World

Enter amount to be invested: $100
You're earning 5% interest
Your investment earns $5.00 interest in one year.Your total in the bank is: $105.00

End of Investment Program
-bash-4.2$ a.out

Welcome to Investment World

Enter amount to be invested: $-5
You need to have money to make interest
Your investment earns $0.00 interest in one year.Your total in the bank is: $-5.00

End of Investment Program
-bash-4.2$ a.out

Welcome to Investment World

Enter amount to be invested: $250000
Your investment earns $20000.00 interest in one year.Your total in the bank is: $270000.00

End of Investment Program
-bash-4.2$ a.out

Welcome to Investment World

Enter amount to be invested: $1000000
Your investment earns $90000.00 interest in one year.Your total in the bank is: $1090000.00

End of Investment Program
-bash-4.2$

*/