UNB/ CS/ David Bremner/ teaching/ old/ cs2023/ king-examples/ interest.c
```/*********************************************************
* From C PROGRAMMING: A MODERN APPROACH, Second Edition *
* By K. N. King                                         *
* Copyright (c) 2008, 1996 W. W. Norton & Company, Inc. *
* This program may be freely distributed for class use, *
* provided that this copyright notice is retained.      *
*********************************************************/

/* interest.c (Chapter 8, page 169) */
/* Prints a table of compound interest */

#include <stdio.h>

#define NUM_RATES ((int) (sizeof(value) / sizeof(value[0])))
#define INITIAL_BALANCE 100.00

int main(void)
{
int i, low_rate, num_years, year;
double value[5];

printf("Enter interest rate: ");
scanf("%d", &low_rate);
printf("Enter number of years: ");
scanf("%d", &num_years);

printf("\nYears");
for (i = 0; i < NUM_RATES; i++) {
printf("%6d%%", low_rate + i);
value[i] = INITIAL_BALANCE;
}
printf("\n");

for (year = 1; year <= num_years; year++) {
printf("%3d    ", year);
for (i = 0; i < NUM_RATES; i++) {
value[i] += (low_rate + i) / 100.0 * value[i];
printf("%7.2f", value[i]);
}
printf("\n");
}

return 0;
}
```