Given the demand function Q_X = 1500 - 100P_X + 75P_Y + 1.5I + .06A where P_Y = $40.00. I = $2500, and A = $5,000, marginal revenue will be zero where Q = 8550.

Question

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Marginal revenue can be found by taking the derivative of the demand function with respect to quantity (Q). However, the given demand function includes variables other than Q, such as price (P), income (I), and advertising (A), which will affect the results of the derivative. Without information about the values of P, I, and A at the point where marginal revenue is zero, it is not possible to determine whether Q = 8550.

Given the Demand Function QX = 1500 - 100PX

Given the Demand Function Q_X = 1500 - 100P_X