4. Volkswagon can produce either 120 car parts, 40 aircraft parts, or a combination or both. Represent cars parts on the y-axis and aircraft parts on the x-axis. Draw Volkswag on's PPF on the diagram below, and redraw Rolls Royce's PPF from question 1. Assume both PPFs are linear. Rolls Royce & Volkswagon PPF 120 110 100 90 80 70 Car Parts 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 110 120 Aircraft Parts