Supply the missing data for three service companies shown in the table below:

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

$\backslash$table$[[\backslash$table$[[,,$Company,,,,,,$],[,$A$,$B$,$C$],[\backslash$table$[[$Sales$]],$$$,9,450,000,,$$$,7,750,000,,$$$,5,175,000,],[$Net operating income,,,,$$,329,000,,,,],[$Average operating assets,$$,3,150,000,,,,,$$$,2,070,000,],[$Return on investment $($ROI$),,11,\%,,14,\%,,,\%$