he unadjusted trial balance of Mesa Inc., at the company's year end of December 31, follows: Additional information and adjustment data: 1. A 12-month insurance policy was purchased and was effective February 1, 2021 . 2. There was $750 of supplies on hand on December 31 . 3. Depreciation expense for the year is $6,000 for the buldings and $4,500 for the equipment. 4 Salaries of $750 are acerued and unpaid at December 31 . 5. Accrued interest expense at December 31 is $735. 6. There was deferred revenue of $975 that still needed to be deferred as at December 31 . The balance had been earned. Of the deferred revenue that had been earned, cost of goods sold was $2,000. 7. Of the bank loan payable, $9,800 is payable next year. 8. Income tax of $500 is due and unpaid. 9. A physieal count of inventory indicates $23,800 on hand at December 31 . 10. Common shares of $3.000 were issued during the year. Instructions a. Record the required adjusting entries, assuming the company adjusts its accounts annually. b. Set up T accounts, enter the balances from the unadjusted trial balance, and post the adjusting entries prepared in part (a). c. Prepare an adjusted trial balance at December 31 . d. Prepare a multiple-step statement of income, statement of changes in equity, and statement of financial position for the year. Calculate profitability ratios and comment