Demand Curve
Annual demand and supply for a company is given by QD = 5,000 + 0.5 I + 0.2 A - 100P, and QS = -5,000 + 100P Where Q is the quantity per yea, P is price, I is income per household, and A is advertising expenditure. a. If A = $10,000 and I = $25,000, what is the demand curve? b. Given the demand curve in part (a) what i