E4.8 (LO 3), AN Some financial information for each of three companies is reflected below in columns A, B, and C. A B C Required Selling price $5 $750 (7) Total fixed costs $12,000 (4) $420,000 Sales volume (units) 30,000 2,500 (8) Variable cost/unit (1) $330 $36 Operating income $33,000 (5) $255,000 Tax rate (2) 25% 35% After-tax profit $23,100 $685,875 (9) Contribution margin (3) (6) 0.6 ratio Use your knowledge of CVP relationships to fill in the missing pieces numbered (1) through (9). Consider each company (ie., column) separately.