<?
error_reporting(-1);

function countCreditSum($cost, $percentBid, $commission, $payout, $additionalPayment){
	$total=0;
	while($total<=$cost){
		$monthPayment=$payout*$percentBid+$commission;
		$total+=$monthPayment;
	}
	return $total+$additionalPayment;
}

$cost=1000;
$payout=5000;

$homoCreditTotal=countCreditSum($cost, 1.04, 500, $payout, 0);
$softBankTotal=countCreditSum($cost, 1.03, 1000, $payout, 0);
$strawberryBankTotal=countCreditSum($cost, 1.02, 0, $payout, 7777);
 
echo "HomoBank total amount: {$homoCreditTotal}\n";
echo "SoftCredit total amount: {$softBankTotal}\n";
echo "StrawberryBank total amount: {$strawberryBankTotal}\n";
?>