Assistant managers bonts 2. Tuti's Sandwich Shop has the following information regarding costs at various levels of monthly sales. Help Tuti separate her costs into fixed costs and variable costs so that she can predict and evaluate her costs at varying levels of guests served. March ($) 20,000 21,000 16,000 18,750 2,400 1- Monthly Sales in Guests Served Cost of Sales (Food Cost) Salaries, Wages, and Benefits Telephone Rent on Building Depreciation of Equipment Utulities January ($) 10,000 10,500 15,000 12,750 2,400 February($) 16,000 16,800 15,600 16,350 2,400 600 1,300 600 600 1,000 1,500