Please explain your answers.

Prepare the journal entry required to establish the valuation account at January 31 and entries to adjust it monthly thereafter. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No entry" for the account titles and enter 0 for the amounts.) Prepare the journal entry required to establish the valuation account at January 31 and entries to adjust it monthly thereafter. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No entry" for the account titles and enter 0 for the amounts.)