Question - Robin Shalit, D.D.S., opened a dental practice on January 1, 2015. During the first month of operations, the following transactions occurred.

1. Performed services for patients who had dental plan insurance. At January 31, $871 of such services were performed but not yet recorded.

2. Utility expenses incurred but not paid prior to January 31 totaled $659.3.Purchased dental equipment on January 1 for $82,000, paying $28,400 in cash and signing a $53,600, 3-year note payable. (a) The equipment depreciates $410 per month. (b) Interest is $536 per month.4.Purchased a one-year malpractice insurance policy on January 1 for $26,376.5.Purchased $1,656 of dental supplies. On January 31, determined that $475 of supplies were on hand.

Prepare the adjusting entries on January 31. Account titles are Accumulated Depreciation-Equipment, Depreciation Expense, Service Revenue, Accounts Receivable, Insurance Expense, Interest Expense, Interest Payable, Prepaid Insurance, Supplies, Supplies Expense, Utilities Expense, and Accounts Payable.