The ledger of Novak Corp. on March 31 of the current year includes the selected accounts below before adjusting entries have been prepared.

Debit Credit
Supplies $3,100
Prepaid Insurance 2,520
Equipment 29,200
Accumulated Depreciation—Equipment $8,760
Notes Payable 21,100
Unearned Rent Revenue 11,450
Rent Revenue 59,200
Interest Expense 0
Salaries and Wages Expense 15,700

An analysis of the accounts shows the following.

1. The equipment depreciates $310 per month.
2. Half of the unearned rent revenue was earned during the quarter.
3. Interest of $460 is accrued on the notes payable.
4. Supplies on hand total $850.
5. Insurance expires at the rate of $280 per month.

Prepare the adjusting entries at March 31, assuming that adjusting entries are made quarterly. (If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts. Credit account titles are automatically indented when the amount is entered. Do not indent manually.)