UPS Shipping charges not going to checkout confirmation

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My Store http://www.hcca.org/ClubStore displays the UPS shipping price correctly on checkout_shipping.php, but when I get to checkout_confirmation.php the shipping price has been cut in half. It happens no matter what the total price of products is or the number of items in cart.

 

I modified ups.php in modules/shipping to bump the shipping cost by 25%:

$methods[] = array('id' => $type,

'title' => $this->types[$type],

'cost' => ($cost ) * $shipping_num_boxes * 1.25);

 

Any idea why the shipping cost is getting cut in half when I get to shipping_confirmation?