Figure 4-8 A graph of price versus quantity shows two parallel demand curves From left to right they are D B and D A. Each is a straight line descending from the upper left to the lower right. Two points are shown on Curve D A. From left to right they are Point Y and Point X. Refer to Figure 4-8. All else equal, the premature deaths of thousands of turkeys would cause a move from a. Da to Db. b. x to y. c. Db to Da. d. y to x