<?php
 
error_reporting(-1);
 
function countSum($percent, $comission, $singlePayment, $creditBalance, $monthlyPayment, $totalPayment) {
	$creditBalance=$creditBalance+$singlePayment;
	for ($month=1; $month<=20; $month++) {
		$creditBalance=($creditBalance*$percent)+$comission;
		if ($creditBalance>=$monthlyPayment) {
			$creditBalance=$creditBalance-$monthlyPayment;
			$totalPayment=$totalPayment+$monthlyPayment;
		} else {
			$totalPayment=$totalPayment+$creditBalance;
			break;
		}
		}
		return $totalPayment;
	}
	$homoCredit=countSum(1.04, 500, 0, 39999, 5000, 0);
	$softBank=countSum(1.03, 1000, 0, 39999, 5000, 0);
	$strawberryBank=countSum(1.02, 0, 7777, 39999, 5000, 0);
	echo "homoCredit:($homoCredit) руб.\n";
	echo "softBank:($softBank) руб.\n";
	echo "strawberryBank:($strawberryBank) руб.\n";

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