(A) For a given 10 percent | Â 1. e > 1 change in price, demand changes by zero percent |
(B) For a given 10 percent | 2. e - 1 change in price, demand changes by 5 percent |
(C) For a given 10 percent |  3. e < 1 change in price, demand changes by 10 percent |
(D) For a given 10 percent | 4. e = 0 change in price, demand changes by 20 percent. |