please fill according to the blank format.

Sheffeld Company determined its ending imventory at cost and at lower of cost and net realizable value at December 31,2021,2022. and 2023, as follows: (a) Prepare the journal entries required at December 31, 2022 and 2023, assuming that a periodic inventory system and the direct method of adjusting to NRV are used. (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts. List all debit entries before credit entries.)