PS Commissions/Fees

<?php
// author sets price to 39 and selects A2
// price gets adjusted to 39 + 15

$base_price1 = 15;
$base_price2 = 25;

$total_poster_price = $base_price1 + 39;

$author_cut = $total_poster_price - $base_price1;
$ps_cut = $base_price1;
?>