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:

Note: Loss amounts should be indicated by a minus sign. Round your percentage answers to nearest whole percent.

$\backslash$table$[[,$Company$],[,$A$,$B$,$c$],[$Sales$,$$$,9,270,000,,$$$,7,450,000,,$$$,4,905,000,],[$Net operating income $.,,,,$$$,308,000,,,,],[$Average operating assets,$$,3,090,000,,,,,$$$,1,962,000,],[$Return on investment $($ROI$),,16,\%,3,20,\%,,,\%$