The ledger of Reliable Rental Agency on March 31 of the current year includes these selected accounts before adjusting entries have been prepared.

DEBITS

Prepaid Insurance................... $3,600

Supplies.................................. $3,000

Equipment.............................. $25,000

CREDITS

Accumulated depreciation- equipment..... $8,400

Notes Payable......................................... $20,000

Unearned rent revenue............................ $10,200

Rent Revenue.......................................... $60,000

Interest expense...................................... $0

Wage expense........................................ $14,000

An analysis of the accounts shows the following:

1. The equipment depreciates $250 per month.
2. Half of the unearned rent revenue was earned during the quarter.
3. Interest of $440 is accrued on the notes payable.
4. Supplies on hand total $850
5. Insurance expires at the rate of $300 per month.

Instructions:

Prepare the adjusting entries at March 31, assuming that adjusting entries are made quarterly. Additional accounts are: Depreciation expense, Insurance expense, interest payable, and supplies expense.