On December 31, 2016, Ditka Inc. had Retained Earnings of $273,800 before its closing entries were prepared and posted. During 2016, the company had service revenue of $174,100 and interest revenue of $84,300. The company used supplies in the amount of $90,900, advertising expenses were $17,000, salaries and wages totaled $19,200, and income tax expense was calculated as $14,900. During the year, the company declared and paid dividends of $6,600. Required: a. Prepare the closing entries dated December 31, 2016. (If no entry is required for a transaction/event, select "No Journal Entry Required" in the first account field.) 1.Record the entry for closing revenue and expense account. 2.Record the entry for closing dividend account. b.Prepare T-account for the Retained Earnings account