Exercise 2-30 Fixed and Variable Costs; Automobile Service; Missing Data (LO 2-1, 2-8) Mighty Muffler, Inc. operates an automobile service facility that specializes in replacing mufflers on compact cars. The following table shows the costs incurred during a month when 500 mufflers were replaced. (Round "cost per muffler" to 2 decimal places.) Number of Muffler Replacements 400 500 600 $ 46,500: 26,500 73,000 | $ Total costs: Fixed costs Variable costs Total costs Cost per muffler replacement: Fixed cost Variable cost Total cost per muffler replacement