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: (Negative amounts should be indicated with a minus sign. Do not round immediate calculations, but round your final answers to the nearest whole number.)

	Company
	A	B	C
Sales	$ 320,000	$ 710,000	$ 600,000
Net operating income	$	$ 39,000	$
Average operating assets	$ 169,000	$	$ 155,000
Return on investment (ROI)	18%	16%	%
Minimum required rate of return:
Percentage	17%	%	12%
Dollar amount	$	$ 55,000	$
Residual income	$	$	$ 6,000