16. What is the deadweight loss when government sets a price floor at $15? (A) $0 (B) $37.5 (C) $75 (D) $150

19. Why does curve C approach curve B as output increases? (A) Diminishing marginal value. (B) Diminishing marginal opportunity cost. (C) Just a special case for this particular graph. (D) Diminishing average fixed cost as more output been produced.