#include <stdio.h>
#include <math.h>

void main()
{
	int years;
	float interest=.15;			//15% interest
	float loan_amount=6000;		//$6,000 loan
	float payment;
	double rate=0;

	printf("Interest rate loan thing.\n");

	for(years=4;years>0;years--)
	{
		rate+=1/(pow(1.0+(double)interest,(double)years));
		printf("years=%i\t",years);
		printf("rate=%d\n",rate);
	}

	payment=loan_amount/(float)rate/12;

	printf("On a $%.2f loan,\n",loan_amount);
	printf("your monthly payment would be %f.\n",payment);

}