There are three ways you can think of goods and services. Goods such as books are cost-based, calculated by total cost-plus markup. While competitor based services, like airline flights, have flexible cost structures based on competitive pressure.
You don’t want your veterinary practice to be in either of these categories. You want to be in the middle, where value determines what the customer is willing to pay. The greater value you project for your products and services, the more money you will earn from providing them.