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.NumberAccount TitleDebatCredit$101$Cash$ $38,964106$Accounts receivable$12,818126$Computer supplies$2,545128$Prepaid insurance$2,160131$Prepaid rent$3,240163$Office equipment$8,206164$Accumulated depreciation Office equipment$ $0167$Computer equipment$21,200168$Accumulated depreciation$-$Computer equipment$0201$Accounts payable$210$Wages payable$0236$Unearned computer services revenue$307$Common stock$71,000318$Retained earnings$0319$Dividends$5,700403$Computer services revenue$29,494612$Depreciation expense$-$Office equipment$613$Depreciation expense$-$Computer equipment$623$Wages expense$2,350637$Insurance expense$6640$Rent expense$652$Computer supplies expense$655$Advertising expense$1,698676$Mileage expense$634677$Miscellaneous expenses$240684$Repairs expense$-$Computer$745901$Income summaryTotals$ $100,494$$$100,494$Business Solutions had the following transactions and events in December $2021.$December $2$ Paid $$965$ cash to Hillside Mall for Business Solutions's share of mall advertising costs.December $3$ Paid $$450$ cash for minor repairs to the company's computer.December $4$ Received $$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 $$110$ per dayDecember $14$ Notified by Alex's Engineering Company that Business Solutions's bid of $$7,700$ on a proposed project hasbeen accepted. Alex's paid a $$1,890$ cash advance to Business Solutions.December $15$Purchased $$1,800$ of computersupplies 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 $$5,675$ cash.December $22-26$ Took the week off for the holidays.December $28$ Received $$3,800$ cash from Gomez Company on its receivable.December $29$Reimbursed S$.$ Rey for businessautomobile mileage $(500$ miles at $$0\mathrm{.}24$ per mile$).$December $31$ Paid $$1,400$ 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 $$600$ still available.b$.$ Three months have expired since the $12-$month insurance premium was paid in advance.c$.$ As of December $31,$ Lyn Addie has not been paid for four days of work at $$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' prepald rent have expired.Required:$1.$ Prepare Journal entries to record each of the December transactions. Post those entries to the accounts in the ledger$\mathrm{.}2-$a$.$ Prepare adjusting entries to reflect a through f$\mathrm{.}2-$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 $31,2021.$a$.$ 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 $31,2021\mathrm{.}6,$ Prepare a classified balance sheet as of December $31,2021\mathrm{.}7.$ Record the necessary closing entries as of December $31,2021\mathrm{.}8.$ Prepare a post$-$closing trial balance as of December $31,2021.$