Annual demand and supply for the Mylan company is given by:
QD = 5,000 + 0.5 I + 0.2 A - 100P, and QS = -5000 + 100P where Q is the quantity per year, P is price, I is income per household, and A is advertising expenditure.
a. If A = $10,000 and I = $25,000, develop the demand equation?