After the success of the company's first two months, Santana Rey continues to operate Business Solutions. The November 30, 2019, unadjusted trial balance of Business Solutions (reflecting its transactions for October and November of 2019) follows. No. 101 106 Cash Account Title Debit $38,264 Credit Accounts receivable 126 Computer supplies 12,618 2,645 128 Prepaid insurance 1,920 131 Prepaid rent 3,040 163 office equipment 8,100 164 Accumulated depreciation-office equipment 167 Computer equipment 22,800 168 Accumulated depreciation-Computer equipment 201 Accounts payable O 210 Wages payable 236 Unearned computer services revenue 307 Common stock 66,000 318 Retained earnings es 319 Dividends 403 Computer services revenue 5,900 $ 35,129 612 Depreciation expense-office equipment 613 Depreciation expense-Computer equipment 623 Wages expense 2,575 637 Insurance expense 640 Rent expense 652 Computer supplies expense 655 Advertising expense 676 Mileage expense 677 Miscellaneous expenses 684 Repairs expense-Computer Totals 1,708 644 190 725 $101,129 $101,129 Business Solutions had the following transactions and events in December 2019. Dec. 2 Paid $985 cash to Hillside Mall for Business Solutions' share of mall advertising costs. 3 Paid $420 cash for minor repairs to the company's computer. 4 Received $4,750 cash from Alex's Engineering Co. for the receivable from November. 10 Paid cash to Lyn Addie for six days of work at the rate of $110 per day. 14 Notified by Alex's Engineering Co. that Business Solutions' bid of $7,600 on a proposed project has been i accepted. Alex's paid a $1,900 cash advance to Business Solutions. 15 Purchased $1,800 of computer supplies on credit from Harris Office Products. 16 Sent a reminder to Gomez Co. to pay the fee for services recorded on November 8. 20 Completed a project for Liu Corporation and received $5,675 cash. 22- Took the week off for the holidays. 26 28 Received $3,400 cash from Gomez Co. on its receivable. 29 Reimbursed S. Rey for business automobile mileage (500 miles at $0.26 per mile). 31 The company paid $1,200 cash in dividends. The following additional facts are collected for use in making adjusting entries prior to preparing financial statements for the company's first three months. a. The December 31 inventory count of computer supplies shows $680 still available. b. Three months have expired since the 12-month insurance premium was paid in advance. c. As of December 31, Lyn Addie has not been paid for four days of work at $110 per day. d. The computer system, acquired on October 1, is expected to have a four-year life with no salvage value. e. The office equipment, acquired on October 1, is expected to have a five-year life with no salvage value. f. Three of the four months' prepaid rent have expired.