Racer Quadcopters plans to sell a standard quadcopter (toy drone) for $70 and a deluxe quadcopter for $80. Racer purchases the standard quadcopter for $50 and the deluxe quadcopter for $60 Management expects to sell two deluxe quadcopters for every three standard quadcopters. The company's monthly fixed expenses are $16,000. How many of each type of quadcopter must Racer sell monthly to breakeven? To eam $11,000 First identify the formula to compute the sales in units at various levels of operating income using the contribution margin approach (Abbreviations used Avg average, and CM contribution margin) Breakeven sales in units