1. The ledger of Joe's Rental Agency on March 31 of the current year includes the following selected accounts before adjusting entries have been prepared. Prepaid Insurance Supplies Equipment Accumulated Depreciation-Equipment Notes Payable Unearned Rent Revenue Rent Revenue Interest Expense Salaries and Wages Expense An analysis of the accounts shows the following. 1. The equipment depreciates $300 per month. Debits $ 3,600 Credits 3,000 25,000 $ 8,400 20,000 12,400 60,000 0 14,000 2. One-fourth of the unearned rent revenue was earned during the quarter. 3. Interest of $400 is accrued on the notes payable. 4. Supplies on hand total $1,200. 5. Insurance expires at the rate of $400 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