28 S Sol-Motors is the only auto manufacturer in West Lidia, a country that prohibits the importation of cars. The graph below shows the demand and the costs for Sol-Motors. Costs and revenues (in thousands) 20 18 16 14 12 10 8 22NO% 9 4 2 MC D 15 45 30 60 75 105. 90 120 135150165 Quantity per period (in thousands) Tools MR