On December 31, 2014 selected accounts of the Brolin Personnel Agency, after all year end adjusting entries, show the following data: Commission Receivable 12/31/14 8,000 Interest Expense 12/31/14 10,500 Commission Revenue 12/31/14 80,000 Interest Payable 12/31/14 2,500 Utilities Expense 12/31/14 4,800 Analysis indicates that adjusting entries were made for 1. $8,000 of commission revenue earned but not billed, 2. $2,500 of accrued but unpaid interest, and 3. $2,400 of utilities expense accrued but not paid. Instructions a. Prepare the closing entries at December 31, 2014. b. Prepare the reversing entries on January 1, 2015. Accounts Payable 12/31/14 2,400 c. Prepare the entries to record (1) the collection of the accrued commission on January 8, (2) payment of the utility bill on January 10, and (3) payment of all the interest due ($3,100) on January 15. d. What is the interest expense for the month of January 2015?