Price not updating when quantity changed in cart

We’ve added the plugin, but have not fully implemented it yet, as we’ve run into an issue… when a quantity is selected and added to the cart, if the quantity is then changed on the cart page, the price (subtotal) does not update.

Also we do not see the price listed on the product page for some reason (we think maybe we hide the price info at one point, but can’t find where at this point… to check the values are updating on the product page).

The page I need help with: [log in to see the link]