We are working on an Ubercart store running Drupal 7 and we needed to add the price per unit to the shopping cart page. I didn't see any options for enabling this in the store administration area so I began looking for some code to make this happen. I came across this post,
http://pixeljets.com/blog/adding-price-field-ubercart-cart-page, which was close to what I needed, but I figured there was a theme function I could use instead of a custom module.