If a Pension Plan Amendment Is Adopted and Retroactive Benefits

If a pension plan amendment is adopted and retroactive benefits are granted to employees, the amount of the prior service cost at the date of grant is accounted for

A) as an intangible asset and liability that are recognized on the plan amendment date
B) as a prior period adjustment for the total amount of the prior service cost that is reported on the statement of retained earnings
C) as the total amount of the prior service cost that is recognized as an expense on the current period's income statement
D) initially as an unamortized amount to be included in the computation of pension expense over future periods