<?php

error_reporting(-1);

$tabletPrice = 14100;
$monthlyPayment = 1500;
$bankPercentage = array(1.04, 1.03, 1.02);
$bankCommission = array(300, 600, 0);
$accountPrice = array(0, 0, 4800);

function countBankCredit($bankNo, $credit, $payment, $percentage, $commission, $account) {
	$credit += $account;
	for ($i = 0; $i <= 99; $i++) {
		$credit = $credit * $percentage + $commission;
		echo("Банк $bankNo: сумма кредита в этом месяце равна $credit.\n");
		$credit -= $payment;
		echo("Банк $bankNo: после месячного взноса она уменьшается до $credit.\n");
		if ($credit <= 0) {
			echo("Кредит погашен за $i месяцев.\n");
			break;
		}
	}
}

for ($j = 0; $j <= 2; $j++) {
	$currentPercentage = $bankPercentage[$j];
	$currentCommission = $bankCommission[$j];
	$currentAccount = $accountPrice[$j];
	countBankCredit($j+1, $tabletPrice, $monthlyPayment, $currentPercentage, $currentCommission, $currentAccount);
}