Suppose the own price elasticity of demand for goodXis -4, its income elasticity is -2, its advertising elasticity is 4, 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. Include a minus (-) sign for all negative answers.

a. The price of goodXdecreases by 6 percent.

? percent

b. The price of goodYincreases by 9 percent.

? percent

c. Advertising decreases by 3 percent.

? percent

d. Income increases by 4 percent.

?percent