5) R&R Tax Service offers tax and consulting services to individuals and small businesses. Data for fees and costs of three types of tax returns follow. R&R provides services in the ratio of 5:3:2 (easy, moderate, business). Fixed costs total S18,000 for the tax season Type of Return Fee Variable Cost S30 75 100 Charged per Return Easy (1040EZ) S50 Moderate (1040 125 Business 275 Use this information to determine the: (1) selling price per composite unit (2) variable costs per composite unit (3) break-even point in composite units (4) number of units of each product that will be sold at the break-even point