An analysis of the company's accounts shows the following. 1. Supplies on hand at the end of the month totaled $21,204. 2. The balance in Prepaid Rent represents 4 months of rent costs. 3. Employees were owed $3,534 related to unpaid and unrecorded salaries and wages. 4. Depreciation on buildings is $6,840 per year. 5. During the month, the company satisfied obligations worth $5,358 related to the Unearned Service Revenue account. 6. Unpaid and unrecorded maintenance and repairs costs were $2,622. Prepare the adjusting entries at July 31 assuming that adjusting entries are made monthly. (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.)