6. Answer the following questions about this Production Possibilities Frontier (PPF) Industrial Goods (Billions) A Services (Billions) 0 10 20 30 40 50 60 70 80 90 6a. According to this PPF, could this country decide to produce at point A? Explain. 6b. According to this PPF, could this country decide to produce at point E? Explain. 6c. According to this PPF, could this country decide to produce at point F? Explain. 6d. How could things change in the long run...how could the PPF change? Why would it