I need help with profit margin

I keep doing income from operations/ sales and I keep getting it wrong

Please show calculations

Profit center responsibility reporting for a service company Quarterly Income Statements Final Questions Instructions Red Line Railroad Inc. has three regional divisions organized as profit centers. The chief executive officer (CEO) evaluates divisional performance, using income from operations as a percent of revenues. The following quarterly income and expense accounts were provided from the trial balance as of December 31 Revenues-East Revenues-West Revenues-Central Operating Expenses-East Operating Expenses-West Operating Expenses-Central Corporate Expenses-Shareholder Relations Corporate Expenses-Customer Support Corporate Expenses-Legal General Corporate Officers' Salaries $884,000 1,050,000 1,870,000 568,100 623,520 1,170,540 157,000 407,000 261,000 270,750 The company operates three service departments: Shareholder Relations, Customer Support, and Legal. The Shareholder Relations Department conducts a variety of services for shareholders of the company. The Customer Support Department is the company's point of contact for new service, complaints, and requests for repair. The department believes that the number of customer contacts is an activity base for this work. The Legal Department provides logal services for division management. The department belleves that the number of hours billed is an activity 1 Check My Work All work saved