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. Business Solutions had the following transactions and events in December 2021. Decenber 2 Paid $980 cash to Hillside Mall for Business Solutions's share of mall advertising costs. Decenber 3 Paid $400 cash for minor repairs to the conpany's computer. Deceaber 4 Received $4,950 cash from Alex's Engineering Coepany for the receivable from November. December 10 Paid cash to Lyn Addie for six days of rork at the rate of $125 per day. Deceeber 14 Notified by Alex's Engineering Company that Business Solutions's bid of $7,100 on a proposed project has been accepted. Alex's paid a $1,900 cash advance to Musiness Solutions. Decenber 15 Purchased $1,400 of conputer supplies on credit from Harris office Products. December 16 Sent a reainder to Gowez coepany to pay the fee for services recorded on Novenber 8. December 20 Completed a project for Liu Corporation and received $6,375 cash. December 22-26. Took the week off for the holidays. Decesber 28 Received $3,700 cash from Gonez Coepany on its receivable. Decenber 29 Reimbursed 5. Rey for business autoeobile mileage (500 miles at \$0.24 per mile). December 31 Paid $1,200 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 $660 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 $125 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. 2-0. Prepare adjusting entrles 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