Steve has noticed a restaurant for lease. The restaurant has seven tables, each of which can seat four. Tables can be moved together for a large party. Linda is planning on using each table twice each evening, and the restaurant will be open 50 weeks per year. The Homs have drawn up the following estimates: Average revenue, including beverages and desserts Average cost $45 per meal 15 per of food meal Chef's and per dishwasker's 5,100 month salaries Rent per (premises, 4,000 month equipment) Cleaning per (linen, 800 month premises) Replacement of dishes, per 300 cutlery, month glasses Utilities, advertising, 2,300 per telephone month