Toyz Quadcopters plans to sell a standard quadcopter (toy drone) for $45 and a deluxe quadcopter for $55. Toyz purchases the standard quadcopter for $25 and the deluxe quadcopter for $35. Management expects to sell two deluxe quadcopters for every three standard quadcopters. The company's monthly fixed expenses are $19,000. How many of each type of quadcopter must Toyz sell monthly to break even? To earn $13,000?