Apple Inc. manufactures iPhones and iPads. The company allocates its $500,000 annual maintenance cost for its assembly line based on the number of units produced. In 2023, they produced 1,000,000 iPhones and 500,000 iPads. Calculate the maintenance cost allocated per unit for each product. Assume direct labor cost for iPhones is $200 per unit and for iPads is $300 per unit. What is the total cost per unit for each product? Show your calculations.