Suppose a Production Possibilities frontier includes the following combinations:Cars / Washing Machines0 1,000100 600200 0a. Graph the PPF, assuming that is has no curved segmentsb. What is the cost of producing an additional car when 50 cars are being produced?c. What is the cost of producing an additional car when 150 cars are begin produced?d. What is the cost of producing an additional washing machine when 50 cars are being produced? when 150 cars are being produced?e. What do your answers tell you about opportunity cost?