/*
 * The interest rate program revised to repeatedly read input values.
 */
#include <stdio.h>
#include <stdlib.h>

int main()
{
  double intrate;                        /* interest rate */
  double balance;                        /* balance at year's end */
  int    year;                           /* year of period */
  int    period;                         /* length of period */
  int    n;                              /* number of values read */

  printf("Enter interest rate, principal, and period: ");
  n = scanf("%lf%lf%i", &intrate, &balance, &period);

  while (n == 3)
  {
    printf("Interest Rate:      %7.2f%%\n", intrate * 100);
    printf("Starting Balance: $ %7.2f\n", balance);
    printf("Period:             %7i years\n\n", period);
    printf("Year     Balance\n");
    for (year = 1; year <= period; year = year + 1)
    {
      balance = balance + balance * intrate;
      printf("%4i   $ %7.2f\n", year, balance);
    }

    printf("\nEnter interest rate, principal, and period: ");
    n = scanf("%lf%lf%i", &intrate, &balance, &period);
  }

  return EXIT_SUCCESS;                    /* assume always succeeds */
}