Speedy Quadcopters plans to sell a standard quadcopter $($toy drone$)$ for $$50$ and a deluxe quadcopter for $$70.$ Speedy purchases the standard quadcopter for $$40$ and the deluxe quadcopter for $$45.$ Management expects to sell two deluxe quadcopters for every three standard quadcopters. The company's monthly fixed expenses are $$15,200.$ How many of each type of quadcopter must Speedy sell monthly to breakeven? To earn $$9,600?$