EXERCISE 4-11 Segmented Income Statement LO 4-4 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: In an effort to resolve the problem, the company would like to prepare an income statement segmented by division. Accordingly, the Accounting Dewartment has developed the following information: Required: 1. Prepare a contribution format income statement segmented by divisions. 2. The Marketing Department has proposed increasing the West Division's monthly advertising by $15,000 based on the belief that it would increase that division's sales by 20%. Assuming these estimates are accurate, how much would the company's net operating income increase (decrease) if the proposal is implemented