Suppose the own priceelasticity of demand for good X is -2, its income elasticity is 3,its advertising elasticity is 4, and the cross- price elasticity ofdemand between it and good Y is -6. Determine how much the consumption of this good will change if:
a. The price of good X increases by 5 percent.
b. The price of good Y increases by 10 percent.
c. Advertising decreases by 2 percent.
d. Income falls by 3 percent.