One of the leading TV producers has estimated the following demand equation aer analyzing 36 regional markets: Q = +25,000 50p +25A + 20F; -40AC+ 1201 (12000;(22.2) (12) (8.5) (52) (55) R2 =0.82 F = 32.26 The variables and their assumed values are Q = Quantity P = Price of the basic Model = 600 (dollars) A = Advertising Expenditures = 100 (thousand dollars) PC = Average price of the competitor's product = 700 (dollars) AC = competitor's advertising expenditures = 80 (thousand dollars) I = per capita income = 50 (thousand dollars)