govho_jhopa

Program AnnuityPay;

var CreditAmount : real; AnnualProcent : real; TermMonths : integer;
var MonthPayment: real; CurrentDebt : real; i : integer; procent : real; r:real; ProcentAll : real; DebtAll : real; PaymentAll : real;

begin
    readln(CreditAmount); readln(AnnualProcent); readln(TermMonths);

    writeln('месяц | задолженность | проценты | долг      | общий платеж');


    //X^Y = exp(ln(X) * Y)
    r := AnnualProcent / 12;

    MonthPayment := CreditAmount * r / 100 /
    (1 - (1 / exp(ln(1 + r / 100) * TermMonths)));

    CurrentDebt := CreditAmount;

    ProcentAll := 0;
    DebtAll := 0;
    PaymentAll := 0;


    for i := 1 to TermMonths do
    begin
        procent := CurrentDebt / 100 * r;
        ProcentAll += procent;
        DebtAll += MonthPayment - procent;
        PaymentAll += MonthPayment;

        writeln(i:5, ' | ', CurrentDebt:13:2, ' | ', procent:8:2, ' | ',
        (MonthPayment - procent):9:2, ' | ', MonthPayment:6:2);

        CurrentDebt -= MonthPayment - procent;
    end;

    writeln('ИТОГО |               | ', ProcentAll:8:2, ' | ',
    DebtAll:8:2, ' | ', PaymentAll:8:2);
    writeln('Переплата: ', (PaymentAll - CreditAmount):2:2, ' Процент переплаты: ',
    ((PaymentAll - CreditAmount) / CreditAmount * 100):2:2, '%');


end.