When the market price is p3, a profit-maximizing firm's total revenue:

a. can be represented by the area p3 × q3.
b. can be represented by the area p3 × q2.
c. can be represented by the area (p3-p2) × q3.
d. is zero.

Option (b) is correct.

Explanation:

The total revenue can be determined by multiplying price of the good with quantity of goods sold. At price, P3, a profit maximizing firm's total revenue is at a point where the marginal cost is equal to the average total cost which is at a point Q2 quantity of goods sold and it is represented by the area :

P3 × Q2

Note: The figure is missing in this question, so I attached the figure with the answer.

answer; ///i believe the correct answer is(e) complementary to each other;

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.