Suppose the Demand for X Is Given by Q_x^d =

Multiple Choice

Suppose the demand for X is given by Q_x^d = 100 − 2P_X + 4P_Y + 10M + 2A,where P_X represents the price of good X,P_Y is the price of good Y,M is income,and A is the amount of advertising on good X.If advertising on good X increases by $10,000,then the demand for X will:

A) decrease by $20,000.
B) decrease by $100,000.
C) increase by $100,000.
D) increase by $20,000.