3.23 Cost Function, Breakeven REQUIRED A. The average cost per unit was $ 234at a volume of 1,200 units and $ 205at a volume of 1,400 units. The earnings were $ 24,090at the lower volume. Estimate the variable cost per unit. B. Sparkle Car Wash Supplier sells a hose washer for $ 0 25that it buys from the manufacturer for $ 0 12. Variable selling costs are $ 0 02 per hose washer. Breakeven is currently at a sales volume of $ 10,600per month. What are the monthly fixed costs associated with the washer? C. Monthly fixed costs are $ 24,000when volume is at or below 200 units and $ 36,900when monthly volume is above 200 units. The variable cost per unit is $ 200, and the selling price is $ 300per unit. What is the breakeven quantity