Alyeska Services Company, a division of a major oil company, provides various services to the operators of the North Slope oil fields in Alaska. Data concerning the most recent years appear below:

sales 7,500,000

net operating income 600,000

average operating assets 5,000,000

required

compute the margin fro Alyeska services company

compute the turnover for Alyeska services company

compute the return on investment for Alyeska company