The ledger of Milton, Inc. on March 31, 2020, includes the following selected accounts before adjusting entries. Prepare adjusting entries for deferrals. Credit Debit Prepaid Insurance $2,400 Supplies 2,500 Copyright 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 copyright amortises $480 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