Alyeska Services Company, a division of a major oll company, provides various services to the operators of the North Slope oll field in

Alaska. Data concerning the most recent year appear below:

Requlred:

Compute the margin.

Note: Round your answer to $2$ decimal places.

Compute the turnover.

Note: Round your answer to $2$ decimal places.

Compute the return on investment $($ROI$).$

Note: Round your Intermedlate calculations and final answer to $2$ decimal places.