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 700 mufflers were replaced. (Round "cost per muffler" to 2 decimal places.) Required: Fill in the missing amounts. Mutfler Replacements 700 60 800 Total costs: 66,500 $ 66,500$ 66,500 Fixed costs 38,500 Variable costs 105,000 Total costs Cost per muffler replacement Fixed cont ces Variable cost Total cost per muffler replacement