/* balance.c									*/
/* calculate the balance of a bank account					*/
/* balance of current year = balance of previous year * (1 + interestrate)	*/
/* author: Weiwei Chen								*/
/* date:   Oct. 17. 2010							*/



/*preprocessor directives*/
#include <stdio.h>

/*main function*/
int main(void)
{
	/*variable definition*/
	double value, previousvalue, interestrate, initialvalue;
	int years, counter;

	/*input section*/
	printf("Please input the intial amount of money in the account: ");
	scanf("%lf", &initialvalue);
	printf("Please input the number of years that the account will be active: ");
	scanf("%d", &years);
	printf("Please input the interest rate (in percentage): ");
	scanf("%lf", &interestrate);

	/*computation section and output section*/
	counter = 1;
	previousvalue = initialvalue;
	printf("Year\t\toldbalance\t\tnewbalance\n");
	while(counter <= years)
	{
		/*computation for the current iteration*/
		value = previousvalue * (1 + interestrate / 100);

		/*output results*/
		printf("%d\t\t%10.2f\t\t%10.2f\n", counter, previousvalue, value);
		
		/*prepare values for the next iteration*/
		previousvalue = value;
		counter ++;
	}
	

	/*exit*/
	return 0;
}