The adjusted trial balance of Wu Delivery Services, prepared in alphabetical order follows.

WU DELIVERY SERVICES Adjusted Trial Balance December 31, 2017 Debit Credit Accounts Payable $3,420 Accounts Receivable $2,000 Accumulated Depreciation Equipment 18,864 Cash 12,600 D. Wu, Capital 7,800 D. Wu, Drawings 1,200 Equipment 39,300 Depreciation Expense 1,200 Insurance Expense 1,200 Interest Expense 240 Interest Payable 100 Prepaid Insurance 1,800 Salaries Expense 12,200 Salaries Payable 1,100 Service Revenue 44,616 Supplies 690 Supplies Expense 1,680 Repairs Expense 770 Utilities Expense 1,020 $75,900 $75,900

Prepare closing entries for Wu Delivery Services.