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 $470 cash for minor repairs to the company's computer. December 4 Received $4,650 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 $7,500 on a proposed prol been accepted. Alex's paid a $2,400 cash advance to Business Solutions. December 15 Purchased $1,700 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 $5,675 cash. December 22-26. Took the week off for the hotidays. 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 $470 cash for minor repairs to the company's computer. December 4 Received $4,650 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 $7,500 on a proposed project been accepted. Alex's paid a $2,400 cash advance to Business Solutions. December 15 Purchased $1,700 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 \$5,675 cash. December 22-26 Took the week off for the holidays. December 28 Received $3,700 cash from Gomez Company on its receivable. December 29 Reimbursed S. Rey for business automobile mileage (400 miles at $0.29 per mile). December 31 Paid $1,100 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 $630 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 explred. 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. 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