Store Manufactures trash cans that are open at the top and do not have lids. The company's engineers are designing a trash can that has a total volume of 7.85 ft^3. They are deciding between a rectangular prism-shaped trash can with base dimensions of 1.5x2.0 ft and a cylindrical trash can with a base area of 3.14 ft^2. The material used to manufacture the trash cans costs $3.60 per square foot. Which trash can design will cost the company less to man up and by approximately how much?