Part 1 (1 point) See Hint Which of the following statements is true based on the production possibilities frontier (PPF) below? Choose one: A. If an improved process for manufacturing cars is introduced, the entire PPF will shift outward. O B. The movement along the curve from point A to point B shows the opportunity cost of producing more cars. O C. Point A represents an inefficient level of production. O D. If society experiences a substantial increase in unemployment, the PPF shifts inward. Part 2 (1 point) See Hint Which of the following statements regarding the PPF shown is correct? Choose one: O A. The opportunity cost for an additional car remains constant from point A to point B. O B. The opportunity cost for an additional car increases from point A to point B. O C. The opportunity cost for an additional car decreases from point A to point B