1. Refer to Figure 1. Using the midpoint method, between prices of $10 and $20, price elasticity of demand is about
a. 0.18. b. 0.12. c. 0.67. d. 5.67.
2. Refer to Figure 1. The maximum value of total revenue corresponds to a price of
a. $20. b. $50. c. $70. d. $100
Please refer to the picture