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 $98,000. Variable Cost per Type of Return Sales Mix Fee Charged Return Easy $ 83 $ 50 Moderate 193 113 Business 463 280 [1) Determine the weighted-average contribution margin. Weighted-average contribution margin (2) Determine the break-even point in units using the weighted-average contribution margin. Numerator: Denominator: Break Even Units Break even units (3) Determine the number of units of each product that will be sold at the break-even point. Easy units Moderate units Business units