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:

Sales	$	7,500,000
Net operating income	$	600,000
Average operating assets	$	5,000,000

Required:
1.	Compute the margin for Alyeska Services Company.

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

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