Table 8-22 2013 2018 Product Quantity(2013) Price (2013) Quantity(2018) Price (2018) Pizzas 200 $10 210 $12 Haircuts 160 25 40 20 Backpacks 200 40 220 45 Q.21 Refer to Table 8-22. Suppose that a very simple economy produces three goods: pizzas, haircuts, and backpacks. Suppose the quantities produced and their corresponding prices for 2013 and 2018 are shown in the table above. a. Use the information to compute real GDP in the year 2013 and 2018. Assume that 2013 is the base year. (2pts) b. Use the information to compute nominal GDP in the year 2013 and 2018. Is the price level in the economy higher in 2018 or 2013? Why? Briefly explain. (3pts)