Mighty Muffler Inc., operates an automobile service facility. The table below shows that cost incurred during a month when 600 mufflers were replaced. Number of Mufflers Replaced Total costs : 500 600 700 Fixed costs A $8,400 C Variable costs B 24,000 D Total costs E $32,400 F === ====== === Cost per muffler replacement : Fixed cost G H I Variable cost J K L Total cost per muffler replacement M N O == == == Required : Fill in the missing amounts, labeled A through O, in the table