Mighty Muffler, Inc. operates an automobile service facility that specializes in replacing mufflers on compadt cars. The following table shows the costs incurred during a month when 600 mufflers were replaced. Fill in the missing amounts. (Round "cost per muffler" to 2 decimal places.) Number of Muffler Replacements 600 500 700 Total costs Fixed costs $ 59,400 35.400 $ 94,800 Variable costs Total costs Cost per muffler replacement: Fixed cost Variable cost Total cost per muffler replacement