E7-32A: Find breakeven for a multiproduct firm (Learning Objective 4)

Funtime Quadcopters plans to sell a standard quadcopter (toy drone) for $55 and a deluxe quadcopter for $85. Funtime purchases the standard quadcopter for $45 and the deluxe quadcopter for $65. Management expects to sell two deluxe quadcopters for every three standard quadcopters. The company's monthly fixed expenses are $11,900. How many of each type of quadcopter must Funtime sell monthly to break even? To earn $7,700?