Jassim Service Company's adjusted trial balance at the end of 31 December, its accounting period is shown below: Credit 3,500 Wassim Service Company Adjusted Trial Balance December 31 Debit Cash 17,500 Accounts receivable 16,000 Office supplies 9,000 Office equipment 28,000 Accumulated depreciation- JOffice equipment Long-term notes payable Nassim, Capital assim, Withdrawals Fees earned Salaries expense 31,400 Rent expense 17,210 Depreciation expense-Office 1,750 equipment Office supplies expense 2,700 Totals $125,060 23,500 26,100 1,500 71,960 $125,060 Required: Given the above information, prepare the following: a. The necessary closing entries. Journal entry example: Dr. Office Maintenance expense BD 500 Cr. Cash BD 500 b. What is the balance of Jassim, Capital in the post-closing trial balance? [you MUST show your calculation)