The XYZ, Inc. on March 31, 2012, includes the following selected accounts before adjusting entries.

Debit Credit

Supplies 2,500

Prepaid Insurance 2,400

Equipment 30,000

Unearned Service Revenue 10,000

An analysis of the accounts shows the following.

1. Insurance expires at the rate of $300 per month.

2. Supplies on hand total $900.

3. The equipment depreciates $200 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.