The Central Valley Company is a manufacturing firm that produces and selis a single product. The company's revenues and expenses for the last four months are given below. 2. Assume that fixed costs are incurred uniformly throughout the year. Compute the annual break-even sales, and the profit if 82.000 units are sold during the year. (Round "Break-even sales" answer to nearest whole number.) 4. Determine the change in profit if the company were to increase advertising by $114,000 and if this were to increase sales by 7,800 units