Exercise 4-9 The ledger of Howard Rental Agency on March 31 of the current year includes the selected accounts below before adjusting entries have been prepared Debit Credit $3,000 Supplies 3,600 Prepaid Insurance 25,000 Equipment $8,400 Accumulated Depreciation-Equipment Notes Payable 20,000 12,400 Unearned Rent Revenue 60,000 Rent Revenue 0 Interest Expense Salaries and Wages Expense 14,000 An analysis of the accounts shows the following The equipment depreciates $280 per month 1 Half of the unearned rent revenue was earned during the quarter 2. Interest of $400 is accrued on the notes payable Supplies on hand total $850 Insurance expires at the rate of $400 per month 3 4. 5. 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.) Date Account Titles and Explanation Debit Credit 1 Mar. 31 2. Mar. 31