<?php
 
error_reporting(-1);
 
$creditBalance  = 40000; /* Долг анона перед банком     */
$percent        = 1.03;  /* Банк начисляет 3% в месяц   */
$servicePayment = 1000;  /* Плата за обслуживание       */
$monthlyPayment = 5000;  /* Сколько платит анон в месяц */
$paymentTotal   = 0;     /* Сколько всего выплатил анон */
$modulo         = 0;     /* Остаток                     */
for ($month = 1; $month <=20; $month ++) {
	if ($creditBalance > $monthlyPayment) {
	$creditBalance = ($creditBalance*$percent) + $servicePayment - $monthlyPayment;
	}
	else {$modulo = $creditBalance % 5000;
	$creditBalance = ($creditBalance*$percent) + $servicePayment - $modulo;
	break;
    }
	$paymentTotal = $paymentTotal+$monthlyPayment;
	echo "{$month}-й месяц спустя: долг = {$creditBalance} руб\nВыплачено всего {$paymentTotal} руб. \n";
 
    if ($creditBalance < 0) {
    	echo "С меня хватит!\n";
    	break;
    }
}

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