All of the following statements differentiated defined benefit pension plans from defined contribution pension plans except which one?

a. Accounting for a defined benefit pension plan is complex, while accounting for defined contribution pension plan is relatively simple for the sponsoring company

b. A defined contribution pension plan cannot be overfunded or underfunded

c. Defined benefit plans will always have separate financial statements while defined contribution plans never have separate financial statements

d. Contributions for a defined benefit pension plan are computed using actuarial assumptions of future benefits while defined contributions are purely based on management decision without respect to any required accumulation or benefit payout