Suppose the own price elasticity of demand for goodXis 4, its income elasticity is 2, its advertising elasticity is 3, and the cross-price elasticity of demand between it and goodYis 2. Determine how much the consumption of this good will change if:

Instructions:Enter your responses as percentages. If you are entering a negative number, be sure to use a () sign.

a. The price of goodXdecreases by 4 percent.

b. The price of goodYincreases by 9 percent.

c. Advertising decreases by 3 percent.

d. Income increases by 2 percent.