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Waterways has a sales mix of sprinklers, valves, and controllers as follows. Annual exoected sales: Unit variable manufacturing costs: Fixed manufacturing overhead cost (total) $/13,000 Unit variable selling and administrative expense for: Determine the sales mix based on unit sales for each product. Waterways packages some of its products into sets for home installations. One set's (small) unit selling price is $74 with unit variable costs of $50. Another set's (large) unit selling price is $145 with unit variable costs of $99. The parts for the $74 set take 8 machine hours to produce. The parts for the $145 set take 20 machine hours to produce. Given the information above, and assuming all of the package sets produced can be sold each month, illustrate the best use of machine hours, (Round answers to 2 decimal places, es. 5.25.) The is the best use of a limited resource. The section of Waterways that produces controllers for the company provided the following information. Using this information for the controllers, determine the contribution margin ratio, the degree of operatingleverage, the break-even point in sales dollars, and the margin of safety ratio for Waterways Corporation on this product