Data table Further analysis of costs reveals the following percentages of variable costs in each division: Top Notch Corporation has four operating divisions. The budgeted revenues and expenses for each division for 2020 follows: (Click to view the results of each division.) Closing down any division would result in savings of 60% of the fixed costs of that division. Top managernent is very concerned about the unprofitable divisions (A and B) and is considering closing thern for the year. Read the requirements. Requirement 1. Calculate the increase or decrease in operating income if Top Notch closes division A. Begin by calculating Division A's contribution margin. Now, calculate the fixed costs that will be saved by closing division A. Requirement 2. Calculate the increase or decrease in operating income if Top Notch closes division B. Requirement 2. Calculate the increase or decrease in operating income if Top Notch closes division B. Begin by calculating division B's contribution margin. Now, calculate the fixed costs that will be saved by closing division B. Requirement 3. What other factors should the top management of Top Notch consider before making a decision? Requirement 3. What other factors should the top management of Top Notch consider before making a decision? A. Management should consider the impact on the morale of the remaining employees if the division(s) are closed. B. Management should consider the role that the divisions' product line plays relative to other product lines. C. Both of the above. D. Neither of the above, management should make this decision relying only on financial data