Complete the table below for contribution margin per unit, total contribution margin, and contribution margin ratio: (Click the icon to view the table.) Compute the missing information, starting with scenario A, then for scenarios B and C. (Enter the contribution margin ratio to nearest percent, X%.) Number of units Sale price per unit Variable costs per unit Calculate: Contribution margin per unit Total contribution margin Contribution margin ratio A 1,663 units $ 280 70 Data table A B C Number of units 1,663 units 1,220 units 4,620 units % Sale price per unit $ 280 $ 4,000 $ 5,550 Variable costs per unit Calculate: 70 1,000 1,665 Contribution margin per unit Total contribution margin Contribution margin ratio Print Done