The ledger of Columbia, Inc. on March 31, 2014, includes the following selected accounts before adjusting entries.
Debit Credit
Prepaid Insurance 2,240
Supplies 3,120
Equipment 36,000
Unearned Service Revenue 13,600
An analysis of the accounts shows the following.
1. Insurance expires at the rate of $280 per month.
2. Supplies on hand total $960.
3. The equipment depreciates $240 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. (Credit account titles are automatically indented when the amount is entered. Do not indent manually.)