The Rivertrain Company uses a responsibility reporting system to measure the performance of its three investment centers: Planes, Taxis, and Limos. Segment performance is measured using a system of responsibility reports and return on investment calculations. The allocation of resources within the company and the segment managers bonuses are based in part on the results shown in these reports. Recently, the company was the victim of a computer virus that deleted portions of the companys accounting records. This was discovered when the current periods responsibility reports were being prepared. The printout of the actual operating results, with question marks for missing amounts, appeared as follows. Determine the missing pieces of information below.

		Planes			Taxis			Limos
Service revenue		$enter a dollar amount			$504,200			$enter a dollar amount
Variable costs		5,501,900			enter a dollar amount			297,700
Contribution margin		enter a dollar amount			253,000			492,188
Controllable fixed costs		1,499,100			enter a dollar amount			enter a dollar amount
Controllable margin		enter a dollar amount			82,000			250,988
Average operating assets		24,959,800			enter a dollar amount			1,476,400
Return on investment		10	%