Waterways has a sales mix of sprinklers, valves, and controllers as follows. Annual expected sales: Unit variable manufacturing costs: Unit variable selling and administrative expense for: Fixed selling and administrative expenses (total) $1,495,632 Fixed selling and administrative expenses (total) $1,495,632 (a) Determine the sales mix based on unit sales for each product. Attempts: unlimited (b) The parts of this question must be completed in order. This part will be available when you complete the part above. (c) The parts of this question must be completed in order. This part will be available when you complete the part above