15. Which of the following is not a characteristic of a defined-contribution pension plan?
(A) The employer's contribution each period is based on a formula.
(B)The benefits to be received by employees are usually determined by an employee’s several highestyears of salary defined by the terms of the plan.
(C) The benefit of gain or the risk of loss from the assets contributed to the pension fund are borne bythe employee.
(D)The accounting for a defined-contribution plan is straightforward and uncomplicated.