/*	File name:	exerpg19.cpp
	Author:		R.P. Patillo
	Instructor:	Mr. Zwang
	Due Date:	Sept 10, 2007
	Compilation:	g++ exerpg19.cpp -o exerpg19.out
	Execution:	./exerpg19.out

	Goal:		This program will calculate the balance for a car 
			loan after the 1st, 2nd and 3rd payment.
*/

#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
	float bal, pmt, i, n;
	int k;

	cout << fixed << showpoint << setprecision(2);

	pmt = 165.25;
	i = 0.09 / 12.0;
	n = 36;

	cout << "Monthly payment:\t$" << pmt << "\n";
	cout << "Annual Interest Rate:\t" << i * 12 * 100 << "%\n";
	cout << "# of Total Payments:\t" << n << "\n";	

	k = 1;
	bal = pmt * ((1 - pow(1 + i, k - n)) / i);
	cout << "\nBalance after " << k << " payment(s) is: $" << bal << "\n";

	k = 2;
	bal = pmt * ((1 - pow(1 + i, k - n)) / i);
	cout << "Balance after " << k << " payment(s) is: $" << bal << "\n";

	k = 3;
	bal = pmt * ((1 - pow(1 + i, k - n)) / i);
	cout << "Balance after " << k << " payment(s) is: $" << bal << "\n";

	return 0;
}