Suppose the own price elasticity of demand for good X is -2, its income elasticity is 3, its advertising elasticity is 2, and the cross-price elasticity of demand between it and good Y is -4. Determine how much the consumption of this good will change if:
Instructions: Enter your answers as percentages. Include a minus (-) sign for all negative answers.
a. The price of good X decreases by 6 percent. percent
b. The price of good Y increases by 8 percent. percent
c. Advertising decreases by 4 percent. percent
d. Income increases by 5 percent. percent
Can someone please show me how to figure this question out?