#include <iostream>
#include <iomanip>      // setprecision 
        
using namespace std;
        
int main()
{
        float pmt, bal, i;
        int k, n;
        
        cout << fixed << showpoint << setprecision(2);
        
        pmt = 165.25;
        i = 0.09/12.0;
	n = 36;

        // output ..
        cout << "Monthly payment:\t$" << pmt << "\n";
        cout << "Annual Interest Rate:\t " << i*12*100 << "%\n";

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

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

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

        k = 4;
        bal = pow(pmt * (1 - pow(i, (n - k))), (1 / i));
        cout << "Balance after " << k <<" payment(s) is $" << bal << "\n";
        
        return 0;
}