Question 4 of 8 < > The ledger of Milton, Inc. on March 31, 2022, includes the following selected accounts before adjusting entries. Debit Credit Prepaid Insurance $2,400 Supplies 2,500 Equipment 30,000 Unearned Service Revenue $9,000 An analysis of the accounts shows the following. 1. Insurance expires at the rate of $400 per month. 2. Supplies on hand total $1,600. 3. The equipment depreciates $480 per month. 4. During March, services were performed for two-fifths of the unearned service revenue.