Which of the following is a potentially illegal question from an employer?

A) Did you graduate from high school?
B) Are you available to work weekends?
C) Have you ever been arrested?
D) Are you legally eligible to work in the United States?
E) Are you over 18?

The management of Winstead Corporation is considering the following three investment projects (Ignore income taxes.):
The only cash outflows are the initial investments in the projects.Required:Rank the investment projects using the project profitability index.