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

Alaska. Data concerning the most recent year appear below:

Required:

Compute the margin for Alyeska Services Company.

Compute the turnover for Alyeska Services Company. $($Round your answer to $1$ decimal place.$)$

Compute the return on investment $($ROI$)$ for Alyeska Services Company. $($Do not round intermediate calculations.$)$