Exercise 18-23 (Algo) CVP analysis with three products LO P3 R&R Tax Service offers tax and consulting services to individuals and small businesses. Data for fees and costs for three types of tax returns follow. Fixed costs total $51,520. Type of Return Easy Sales Mix 30% Moderate Business 10% 60% Fee Charged $ 70 170 410 Variable Cost per Return $ 40 100 250 > Answer is complete but not entirely correct. (1) Determine the weighted-average contribution margin. Sales mix Contribution margin per return Total per unit Easy Moderate 30% $ 30.00 $ 90.00 10% 70.00 70.00 Business 60% 160.00 960.00 Weighted-average contribution margin $ 1,120.00