With Respect to a Defined Contribution Registered Pension Plan, Which

With respect to a defined contribution Registered Pension Plan, which of the following statements is NOT correct?

A) The employer agrees to make a specified contribution for each year of service.
B) The Pension Adjustment that will be calculated for each employee is based on the amounts of contributions that have been made by the employee and employer.
C) Both the employee and employer can make contributions to such plans.
D) The employee's pension benefit is not affected by rates of return on the pension plan assets.