Exercise 3-8 Marigold Corp. opened a dental practice on January 1, 2019. During the first month of operations, the following transactions occurred. 1. Performed services for patients who had dental plan insurance. On January 31, $840 of such services were performed but not yet recorded. 2. Utility expenses incurred but not paid before January 31 totaled $600. 3. Purchased dental equipment on January 1 for $87,000, paying $30,000 in cash and signing a $57,000, 3-year note payable. The equipment depreciates $435 per month. Interest is $470 per month. 4. Purchased a one-year malpractice insurance policy on January 1 for $26,040. 5. Purchased $1,600 of dental supplies. On January 31, determined that $400 of supplies were on hand. Prepare the adjusting entries on January 31. Account titles are Accumulated DepreciationEquipment, Depreciation Expense, Service Revenue, Accounts Receivable, Insurance Expense, Interest Expense, Interest Payable, Prepaid Insurance, Supplies, Supplies Expense, Utility Expense, and Utilities Payable. (Credit account titles are automatically indented when the amount is entered. Do not indent manually.) No. Date Account Titles and Explanation Debit Credit 1. Jan. 31 2. Jan. 31 3. Jan. 31 (To record monthly depreciation) Jan. 31 (To record interest on notes payable) 4. Jan. 31 5. Jan. 31