3. Assume that production drops to only 1,000 sets annually. Would you expect the average product cost per set to increase, decrease, or remain unchanged? Explain. No computations are necessary. 4. Refer to the original data. The president's brother-in-law has considered making himself a patio set and has priced the necessary materials at a building supply store. The brother-in-law has asked the president if he could purchase a patio set from the Dorilane Company \"at cost," and the president agreed to let him do so. a. Would you expect any disagreement between the two men over the price the brother-in-law should pay? Explain. What price does the president probably have in mind? The brother-in-Iaw? b. Because the company is operating at full capacity, what cost term used in the chapter might be justication for the president to charge the full, regular price to the brother-in-law and still be selling "at cost"