Sandra, D$.$D$.$S$.,$ opened an incorporated dental practice on January $1,2025.$ During the first month of operations, the following transactions occurred.

Performed services for patients who had dental plan insurance. At January $31,$$$840$ of such services was completed but not yet billed to the insurance companies.

Utility expenses incurred but not paid prior to January $31$ totaled $$450.$

Purchased dental equipment on January $1$ for $$86,850,$ paying $$29,150$ in cash and signing a $$57,700,3-$year note payable $($interest is paid each December $31).$ The equipment depreciates $$550$ per month. Interest is $$670$ per month.

Purchased a $1-$year malpractice insurance policy on January $1$ for $$25,500.$

Purchased $$2,190$ of dental supplies $($recorded as increase to Supplies$).$ On January $31,$ determined that $$580$ 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 account titles and enter $0$ for the amounts. Credit account titles are automatically indented when the amount is entered. Do not indent manually.$)$

No$.$ Date Account Titles and Explanation

Debit

Credit

Jan.

Jan.