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. Business Solutions had the following transactions and events in December 2021. Deceaber 2 Paid s9se cash to Millside Moll for flusiness Solutions's share of mall advertising costs. December 3 Paid 5490 cash for minor repairs to the company's corputer. Decenber a fleceived 54,250 cosh from Alex's Engineering Coopacy for the recelvable from tioventer. Decenber 10 . Pald cosh to Lyn Adde for six days of work at the rate of $115 per day, December 14 Notified by Alex's Engineering Coopany that Business Solutions's bid of $7, 0 ea on a proposed project has been accepted. Alex's paid a $2,100 cash advance to Business solutions. Deceaber 15 Purchased $1,900 of computer supplies on credit from Harris office Products. Deceaber 16 Sent a reninder to Gomez Company to pay the fee for services recorded on November 8. December 20 Completed a project for Liu corporation and received $6,575 cash. December 22-26 Took the week off for the holidays. Decenber 28 Received $3,800 cash from Gomez Company on its receivable. December 29 Reinbursed S. Rey for business automobile milleage ( 600 miles at $0.23 per mile). December 31 Paid $1,290 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. a. The December 31 inventory count of computer supplies shows $670 still available. b. Three months have expired since the 12 -month insurance premium was paid in advance. c. As of December 31, Lyn Addle has not been paid for four days of work at $115 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. Required: 1. Prepare journal entries to record each of the December transactions. Post those entries to the accounts in the ledger. 2-o. Prepare adjusting entries to reflect a through f. 2.b. Post the journal entries to record each of the December transactions, adjusting entries to the accounts in the ledger: 3. Prepare an adjusted trial balance as of December 31, 2021. 4. Prepare an income statement for the three months ended December 31, 2021 5. Prepare a statement of retained earnings for the three months ended December 31, 2021 6. Prepare a classified balance sheet as of December 31,2021 7. Record the necessary closing entries as of December 31,2021. 8. Prepare a post-closing trial balance as of December 31, 2021