Profit center responsibility reporting for a service company Thomas Railroad Company organizes its three divisions, the North (N), South (S), and West (W) regions, as profit centers. The chief executive officer (CEO) evaluates divisional performance, using operating income as a percent of revenues. The following quarterly income and expense accounts were provided from the trial balance as of December 31: Revenues-N Region Revenues-S Region Revenues-W Region Operating Expenses-N Region Operating Expenses-S Region Operating Expenses-W Region Corporate Expenses-Dispatching Corporate Expenses-Equipment Management Corporate Expenses-Treasurer's General Corporate Officers' Salaries $1,070,200 1,272,500 2,265,100 678,200 757,300 1,369,800 588,000 202,800 162,800 359,400 The company operates three support departments: the Dispatching Department, the Equipment Management Department, and the Treasurer's Department. The Dispatching Department manages the scheduling and releasing of completed trains. The Equipment Management Department manages the railroad cars inventories. It makes sure the right freight cars are at the right place at the right time. The Treasurer's Department conducts a variety of services for the company as a whole. The following additional information has been gathered: North South West Number of scheduled trains 4,900 5,900 8,800 Number of railroad cars in inventory 1,000 1,600 1,300 Required: