7. For each of the following statements, list which market structure(s) it applies to. You may abbreviate with PC (perfect competition), M (monopoly), and MC (monopolistic competition) a) The market structure is efficient. b) There are lots of buyers and sellers in the market. c) The sellers in the market are price-makers. e) Firm(s) in the market set Q* where MR = MC. f) The market is efficient. g) Firms in the market always make 0 economic profit in a long-run equilibrium