Division East Central West Sales $ 363,000 $ 690,000 $ 570,000 Variable expenses as a percentage of sales 42% 25% 439 Traceable fixed expenses $ 253,000 $ 324,000 $ 192,000 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 $21,000 based on belief that it would increase that division's sales by 13%. Assuming these estimates are accurate, how much woulu the company's net operating income increase (decrease) if the proposal is implemented? 2-b. Would you recommend the increased advertising? Division East Central West Sales $ 363,000 $ 690,000 $ 570,000 Variable expenses as a percentage of sales 42% 25% 439 Traceable fixed expenses $ 253,000 $ 324,000 $ 192,000 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 $21,000 based on belief that it would increase that division's sales by 13%. Assuming these estimates are accurate, how much woulu the company's net operating income increase (decrease) if the proposal is implemented? 2-b. Would you recommend the increased advertising