After the success of the company's first two months, Santana Rey continues to operate Business Solutions. The November 30, 2021, unadjusted trial balance of Business Solutions (reflecting its transactions for October and November of 2021) follows.

Number

101

106

126

128

131

163

164

167

168

201

210

236

307

318

319

403

612

613

623

637

640

652

655

676

677

684

901

Account Title

Cash

Accounts receivable

Computer supplies

Prepaid insurance

Prepaid rent

Office equipment

Accumulated depreciation-Office equipment

Computer equipment

Accumulated depreciation-Computer equipment

Accounts payable

Wages payable

Unearned computer services revenue

Common stock

Retained earnings

Dividends

Computer services revenue

Depreciation expense-Office equipment

Depreciation expense-Computer equipment

Wages expense

Insurance expense

Rent expense

Computer supplies expense

Advertising expense

Mileage expense

Miscellaneous expenses

Repairs expense-Computer

Income summary

Totals

Debit

$ 38,364

13,518

2,545

1,920

3,300

8,700

Credit

$ 0

20,800

0

0

64,000

0

6,100

36,994

0

2,350

0

0

1,718

654

240

785

0

$ 100,994 $ 100,994

Business Solutions had the following transactions and events in December 2021.

December 2 Paid $965 cash to Hillside Mall for Business Solutions's share of mall advertising costs.

December 3 Paid $410 cash for minor repairs to the company's computer.

December 4 Received $4,750 cash from Alex's Engineering Company for the receivable from November.

December 10 Paid cash to Lyn Addie for six days of work at the rate of $110 per day.

December 14 Notified by Alex's Engineering Company that Business Solutions's bid of $7,200 on a proposed project ha

been accepted. Alex's paid a $1,800 cash advance to Business Solutions.

December 15 Purchased $1,400 of computer supplies on credit from. Harris Office Products.

December 16 Sent a reminder to Gomez Company to pay the fee for services recorded on November 8.

December 20 Completed a project for Liu Corporation and received $6,225 cash.

December 22-26 Took the week off for the holidays.

December 28 Received $3,600 cash from Gomez Company on its receivable.

December 29 Reimbursed S. Rey for business automobile mileage (400 miles at $0.28 per mile).

December 31 Paid $1,300 cash for 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.

1. The December 31 inventory count of computer supplies shows $580 still available.
2. Three months have expired since the 12-month insurance premium was paid in advance.
3. As of December 31, Lyn Addie has not been paid for four days of work at $110 per day.
4. The computer system, acquired on October 1, is expected to have a four-year life with no salvage value.
5. The office equipment, acquired on October 1, is expected to have a five-year life with no salvage value.
6. Three of the four months' prepaid rent have expired.

Required:

1. Prepare journal entries to record each of the December transactions. Post those entries to the accounts in the ledger.
2. a. Prepare adjusting entries to reflect a through f.
3. b. Post the journal entries to record each of the December transactions, adjusting entries to the accounts in the ledger.
4. Prepare an adjusted trial balance as of December 31, 2021.
5. Prepare an income statement for the three months ended December 31, 2021.
6. Prepare a statement of retained earnings for the three months ended December 31, 2021.
7. Prepare a classified balance sheet as of December 31, 2021.
8. Record the necessary closing entries as of December 31, 2021.
9. Prepare a post-closing trial balance as of December 31, 2021.

Required:

1. Prepare journal entries to record each of the December transactions. Post those entries to the accounts in the ledger.
2. a. Prepare adjusting entries to reflect a through f.
3. b. Post the journal entries to record each of the December transactions, adjusting entries to the accounts in the ledger.
4. Prepare an adjusted trial balance as of December 31, 2021.
5. Prepare an income statement for the three months ended December 31, 2021.
6. Prepare a statement of retained earnings for the three months ended December 31, 2021.
7. Prepare a classified balance sheet as of December 31, 2021.
8. Record the necessary closing entries as of December 31, 2021.
9. Prepare a post-closing trial balance as of December 31, 2021.