#include <stdio.h>

/* loan_calc.c 
 * By Cory Spitzer
 * Feb. 20th, 2013
 * Exersize from K. N. King, page 35
 */

int main(void)
{
    float balance, new_balance, rate, monthly_rate, payment; 
    //payment is monthly, rate annual
    
    printf("loan_calc.c \n");
    
    printf("What is the loan amount? ");
    scanf("%f", &balance);
	
    printf("What is the annual interest rate? ");
    scanf("%f", &rate);	
	
    printf("What is the monthly payment? ");
    scanf("%f", &payment);
    
    monthly_rate = (rate / 12.0f);
    printf("Your monthly rate is %.4f \n", monthly_rate);
 
    // This whole process can certainly be done with a loop, 
    // but this works for now.
    
    new_balance = balance - payment;
    balance = (new_balance) + (monthly_rate * new_balance);
    printf("Balance remaining after first payment: %.2f \n", balance);
    
    new_balance = balance - payment;
    balance = (new_balance) + (monthly_rate * new_balance);
    printf("Balance remaining after second payment: %.2f \n", balance);
    
    new_balance = balance - payment;
    balance = (new_balance) + (monthly_rate * new_balance);
    printf("Balance remaining after third payment: %.2f \n", balance);
    	
	return 0;
}