Which of the Following Statements Describes a Significant Drawback Associated

Which of the following statements describes a significant drawback associated with the use of a salary-only plan?

A) A salary-only plan does not offer incentive for sales people to increase their sales volume.
B) With a salary-only plan, the money paid to sales people for performing their job becomes a variable expense.
C) Management will find it more difficult to control sales people being paid using a salary-only plan thanwith other means of compensation.
D) Management will find it difficult to get sales people to perform nonselling tasks when using a salary-only plan.
E) None of the above statements describes a drawback associated with the use of salary-only plans.