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 Variable expenses Contribution margin Fixed expenses Net operating income (loss) $ 1,596,000 692,520 903,480 994,000 $ (90,520) 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: Sales Variable expenses as a percentage of sales Traceable fixed expenses East $396,000 57% $286,000 Division Central $610,000 33% $332,000 West $590,000 45% $209,000 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 $23,000 based on the belief that it would increase that division's sales by 10%. 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