Answer:
Missing word <em>"Roll over each of the items below to read about the proportion of marketing employees at different times. Then drag each item into the correct position in the matrix."</em>
Note: The matrix in the question is attached as picture below
Year                                            2016 
                    Sales mgr        Sales Rep         Sales asst.         Not in 
                                                                                               Organisation
<em>2012</em>
Sales           Maintain         Management        Manager         Manager
manager    Management  Representative     Assistant        Turnover
                     Position             Demotion           Demotion
Sales Rep   Sales Rep      Maintain Rep       Rep assistant     Sales Rep
                     Promotion        Position               Demotion
Sales          Asst manager   Management    Maintain asst.     Sales Asst
assistant     Promotion          Promotion         position             Turnover
Not in        Manager New   Sales Rep          Sales Assistant 
Organi-       Hire                   New Hire            New Hire
sation