The ledger of Skysong, Inc. on March 31, 2022, includes the following selected accounts before adjusting entries. Debit Credit Supplies 2,600 Prepaid Insurance 2,160 Equipment 22,500 Unearned Service Revenue 10,100 An analysis of the accounts shows the following. 1. Insurance expires at the rate of $270 per month. 2. Supplies on hand total $890. 3. The equipment depreciates $150 per month. 4. During March, services were performed for two-fifths of the unearned service revenue. Prepare the adjusting entries for the month of March. (If no entry is required, select "No Entry" for the account titles and enter Ofor the amounts. Credit account titles are automatically indented when the amount is entered. Do not indent manually.) No. Account Titles and Explanation Debit Credit 1. 2. 3. 4