Andrew has to buy an oven for baking his desserts in and the company he is buying from gives him three options to choose from. The table shows the number of shelves the ovens have and how much they cost. In ADDITION to the pricing of the ovens, Andrew estimates that it will cost him $6,250 in other fees to have the company install the oven in his bake shop. Explain how to find the Unit Rate for each option. Round to the nearest cent [hundredths]