Answer:
The adjustment is:
= Balance in supplies account - Supplies on hand
= 1,654 - 777
= $877
This amount will be sent to the Supplies expense account to show that it was incurred as an expense during the period but was not accounted for. Expenses are debited when they increase.
Date Account Title Debit Credit
XX-XX-XXXX Supplies expense $877
Supplies $877