Wingate Company, a wholesale distributor of electronic equipment, has been experiencing losses as shown by its most recent monthly contribution format income statement: In an effort to resolve the problem, the company wants to prepare an income statement segmented by division. Accordingly, the Accounting Department provided the following information: The Marketing Department believes increasing the West Division's monthly advertising by $20,000 will increase that division's sales by 17%. Assuming these estimates are accurate, how much would the company's net operating income increase (decrease) if the proposal is implemented? Note: Do not round intermediate calculations. Prepare a contribution format income statement segmented by divisions