CSC 261 HW6 - Part I

// filename: Loan.cpp
// name: Devon Blandin
// CSC 261 - Homework #6
// Description: Loan calculations
 
#include <iostream>
using namespace std;
 
class Loan {
	public:
		Loan();
		double getAmountBorrowed();
		double getYearlyRate();
		double getMonthlyPayment();
		int getYears;
		void setAmountBorrowed( double a );
		void setYearlyRate( double r );
		void setYears( int y );
	private:
		double amountBorrowed, yearlyRate;
		int years;
};
 
int main() {
	// Declare constants for two pre-set interest rates.
	const double RATE15 = 5.25;
	const double RATE30 = 5.75;
	double amountBorrowed;
 
	cout.setf(ios::fixed);
	cout.setf(ios::showpoint);
	cout.precision(2);
 
	Loan loan;
 
	cout << "***** Welcome to the Loan analyzer! *****\n\n";
	cout << "Enter the principle amount to borrow: ";
	cin >> amountBorrowed;
	loan.setAmountBorrowed( amountBorrowed );
 
	cout << "============ ANALYSES ============";
 
	loan.setYearlyRate( RATE15 );
	loan.setYears( 15 );
	cout << "Loan: $" << loan.getAmountBorrowed() << " at " << loan.getYearlyRate() << " for " << loan.getYears << " years.\n";
	cout << "Monthly payment is $" << loan.getMonthlyPayment() << endl;
 
	loan.setYearlyRate( RATE30 );
	loan.setYears( 30 );
	cout << "Loan: $" << loan.getAmountBorrowed() << " at " << loan.getYearlyRate() << " for " << loan.getYears << " years.\n";
	cout << "Monthly payment is $" << loan.getMonthlyPayment() << endl;
 
	cout << "\n********** Thank you. Come again! **********";
 
	system("pause");
	return 0;
}
void Loan::setAmountBorrowed( double a ) {
	amountBorrowed = a;
}
void Loan::setYearlyRate( double r ) {
	yearlyRate = r;
}
void Loan::setYears( int y ) {
	years = y;
}
double Loan::getAmountBorrowed() {
	return amountBorrowed;
}
double Loan::getYearlyRate() {
	return yearlyRate;
}
double Loan::getMonthlyPayment() {
	double monthlyPayment = getAmountBorrowed();
	for (int i = 0; i < getYears; i++) {
		monthlyPayment *= (1 + ( yearlyRate * 100));
	}
	monthlyPayment = (monthlyPayment / getYears) / 12;
	return monthlyPayment;
}