<?php
function howmuch($deposit, $percent, $pay){
	while ( $deposit > 0) {
		$deposit= ($deposit*$percent)- $pay;
		$months++;
	}
	return $months;
}
 
$homo = howmuch(39999, 1.04, 4500,0);
$soft = howmuch(39999, 1.03, 4000,0);
$straw = howmuch(47776, 1.02, 5000,0);
 
echo "Ты будешь платить {$homo} месяцев у хомо\n";
echo "Ты будешь платить {$soft} месяцев у софр\n";
echo "Ты будешь платить {$straw} месяцев у клубники\n";

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