Scotty Quadcopters plans to sell a standard quadcopter (toy drone) for $60 and a deluxe quadcopter for $90. Scotty purchases the standard quadcopter for $50 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 $12,800. How many of each type of quadcopter must Scotty sell monthly to breakeven? To earn $9,600?