#include <iostream>
#include <iomanip>   //for the "i/o manipulators" setw and setprecision
#include <cstdlib>
using namespace std;


int main()
{
	double principal {300.00};   //start with this many dollars
	
	cout<< "What is the principle?\n";
	cin>> principal;

	int nyears {0};
	cout << "How many years?\n";
	cin >> nyears;
	double rate {0};
	cout<< "What is he interest rate?\n";
	cin>> rate;
	double factor {1.00 + 0.01 * rate};
	cout << "year  principal\n"   //column headings
            << "----  ----:-----\n";

	for (int year {1}; year <=nyears; ++year) {
		principal *= factor; 

		cout << setw(4) << year << "   $"
			<< fixed << setprecision(2) << principal << "\n";
	}

	return EXIT_SUCCESS;
}