<?php
 
$creditBalance = 40000;
$percent = 1.03;
$servicePayment = 1000;
$monthlyPayment = 5000;
$paymentTotal = 0;
$break = 0;
 
for ($month = 1; $month <= 20; $month++) {
 
	$creditBalance = ($creditBalance * $percent) + $servicePayment - $monthlyPayment;
	$paymentTotal = ($paymentTotal + $monthlyPayment);
	$break = ($paymentTotal - $monthlyPayment);
	echo "{$month} месяц спустя: долг = {$creditBalance} руб, выплачено всего {$paymentTotal} руб.\n";
 
	if ($creditBalance < 5000); {
	$monthlyPayment = ($break + $creditBalance);
	echo "с меня хватит!\n";
	break;
	}
}

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