Roi can be calculated as:

a. average operating assets divided by net operating income
b. net operating income divided by average operating assets
c. margin multiplied by turnover
d. margin divided by turnover

Amarginally attached worker is a person who is not happy with his or her job. someone who works part-time more than 25 hours per week but wants full-time work. someone who does not have a job but is available and willing to work and has made specific but unsuccessful efforts to find a job during the past 4 weeks. someone who does not have a job but is available and willing to work but has not made specific efforts to find a job during the past 4 weeks. another name for an unemployed worker.