Question 12 1 pts Exhibit 20-4 Price of Price of Good X Good Y Quantity of Good X Quantity of Good Y Refer to Exhibit 20-4. As a consequence of the depicted change in the supply of X, the demand curve for Y shifted from D, to D2. It follows that O X and Y are substitutes. O X and Y are complements. O X and Y are inferior goods. O demand for Y is price elastic