Таблица ежемесячных платежей

public class Test5 {
    public static void main(String[] args) {

        double summaKredita = 150000;
        double stavkaProcenta = 0.14;
        double percent;
        double platez;
        double a= summaKredita/12;
        double percentSum = 0;

        System.out.println("----------------------------------------------");
        System.out.println("       Долг       Процент     Платеж");
        System.out.println("----------------------------------------------");
        for (int i = 12; i > 0; i--) {

            percent = summaKredita/12*stavkaProcenta;
            platez = percent+a;
            System.out.printf("%s\t %9.2f\t %8.2f\t %8.2f", i, summaKredita, percent, platez);
            System.out.println();
            summaKredita -= a;
            percentSum += percent;
        }
        System.out.println("----------------------------------------------");
        System.out.printf("Всего процентов: %8.2f", percentSum);
    }
}