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