Wingate Company, a wholesale distributor of electronic equipment, has been experiencing losses for some time, as shown by its most recent monthly contribution format income statement: Sales $ 1,599,000 Variable expenses 653,780 Contribution margin 945,220 Fixed expenses 1,040,000 Net operating income (loss) $ (94,780) In an effort to resolve the problem, the company would like to prepare an income statement segmented by division. Accordingly, the Accounting Department has developed the following information: Division East Central West Sales $ 439,000 $ 610,000 $ 550,000 Variable expenses as a percentage of sales 62 % 31 % 35 % Traceable fixed expenses $ 257,000 $ 328,000 $ 203,000 Required: 1. Prepare a contribution format income statement segmented by divisions. 2-a. The Marketing Department has proposed increasing the West Division's monthly advertising by $20,000 based on the belief that it would increase that division's sales by 12%. Assuming these estimates are accurate, how much would the company's net operating income increase (decrease) if the proposal is implemented? 2-b. Would you recommend the increased advertising?