I am wondering if this would only apply for (d) all period after if not fixed? since this is a question of evaluation? any help understanding this would be great.

A one-time error in the application of the lower of cost or marketfnet realizable value {LCMINRV} rule in the current period distorts nancial results for the current accounting period: Multiple Choice 0 only. and the period before. and all periods after. 0 and lhe period after