E3-6B The ledger of Hager Rental Agency on March 31 of the current year includes the following selected accounts before adjusting entries have been prepared. Debit Credit Prepaid Insurance Supplies Equipment Accumulated 4,200 3,400 30,000 Depreciation-Equipment Notes Payable Unearned Rent Revenue Rent Revenue Interest Expense Salaries and Wages Expense $10,500 25,000 10,800 60,000 -0 14,000 An analysis of the accounts shows the following. 1. The equipment depreciates $300 per month. 2. The unearned rent revenue represents $10,800 collected on January 1 for the period January 1 through March 31. 3. Interest of $750 is accrued on the notes payable. 4. Supplies on hand total $1,300. 5. The company paid $4,200 on January 1 for a 2-year insurance policy 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