Which of the Following Is a Disadvantage of Profit Sharing

Which of the following is a disadvantage of profit sharing?

A) Most profit sharing plans are highly sophisticated and hence not easily understood by employees.
B) Most employees are not concerned about the profitability of their organizations.
C) Most employees are unwilling to learn about financial measures and the business factors that influence them.
D) There is no guarantee that profits will increase.
E) Most profit sharing plans involve high administrative costs.