A family friend has asked your help in analyzing the operations of three anonymous companies operating in the same service sector industry. Supply the missing data in the table below: (Loss amounts should be indicated by a minus sign. Do not round your intermediate calculations.)

	Company A		Company B		Company C
Sales	$480,000		$680,000		$620,000
Net operating income	?#		$53,000		?#
Average operating assets	$161,000		?#		$141,000
Return on investments (ROI)	20	%	17	%	?#	%
Minimum required rate of return:
Percentage	14	%	?#	%	12	%
Dollar amount	?#		$53,000		?#
Residual income	##		?#		$7,000