Read the following text and answer questions 33 to 40 acc...

Read the following text and answer questions 33 to 40 according to it. In questions 33 to 40, judge the sentences given as correct or incorrect according to the text and/or to the grammar rules of English Language, and then mark the alternative which is correct.

Among the benefits of OD are:

I. lower profits.

II. flexible employees.

III. effectiveless.

IV. improved personal satisfaction.