16. Figure: Price and Quantity 2 Price $100 S 80 60 B E 50 40 C 20 D D 10 20 30 40 50 60 70 80 90 100 Quantity At a cost of $20 per unit, the demanders whose wants are satisfied are represented by the section of the demand curve between the prices of: a. $100 and $80. b. $100 and $50. c. $0 and $100. d. $20 and $80