11. Suppose the demand for good X is Q = 20P-1. a. When P = $1, total revenue is b. When P = $2, total revenue is c. When P = $4, total revenue is d. The price elasticity of demand is equal to at every price. Why?10. Use the gure below to answer the following questions: 700 \\ Price {dollars} b. 8 100 0 Quantity . . . . \\. _ AQ p a. Calculate price elasticity at point 5 using the method F X a. 2). Calculate price elasticity at point 5 using the method E = %. 6. Compare the elasticities in parts r.- and 13. Are they equal? Should they be equal? d. Calculate price elasticity at point R. AQ . ' \\ ' = _ g = P 7 9. Which method did you use to compute E in part d, E AP X Q or E P _ A' Why