Microsoft Co., During October the following transactions occurred:

1. Purchased equipment on October 1 for $90,000, paying $30,000 in cash and signing a $60,000, 3-year note payable. The equipment depreciates $600 per month. Interest is $450 per month.

2. The company performed services for customers totaling $6000. These services have not yet been recorded.

3. Maintenance expenses incurred but not paid prior to October 31 totaled $1000.

4. Purchased a one-year insurance policy on October 1 for $11,000.

5. Purchased $3,000 of supplies. On October 31, determined that $800 of supplies were on hand.

Instructions: Prepare the adjusting entries on October 31.