The following information is related to the Stone Co. postretirement benefits plan for 2021: (a) Compute the amount of postretirement expense for 2021. Amount of postretirement expense $ eTextbook and Media List of Accounts Attempts: 1 (b) Prepare the journal entry to record postretirement expense and Stone's contributions for 2021. (Credit account titles are automatically indented when amount is entered. Do not indent manually.)