<?php


function UnitPriceForQuantity($quantity, $is_sandbox)
{
  if (empty($quantity))
    $quantity = 1;

  $varCount = $quantity;
  $perUnitPrice = 70;
  if ( $varCount < 1 )   $varCount = 1;
  if ( $varCount >= 10 ) $perUnitPrice = 60;
  if ( $varCount >= 25 ) $perUnitPrice = 55;
  if ( $varCount >= 50 ) $perUnitPrice = 50;

  if (!$is_sandbox)
  {
    // during initial production testing, make the unit price 0.01
    $perUnitPrice = 0.01;
  }

  return $perUnitPrice;
}


?>