Required: 1. Determine amounts for the following items: a. Correct (reconciled) ending balance of Cash; and the amount of the omitted check. b. Adjustment needed to obtain the correct ending balance of the Allowance for Doubtful Accounts. c. Depreciation expense for the truck used during year 2021. d. Depreciation expense for the two items of equipment used during year 2021. e. The adjusted 2021 ending balances of the Extermination Services Revenue and Unearned Services Revenue accounts. f. The adjusted 2021 ending balances of the Warranty Expense and the Estimated Warranty Liability accounts. g. The adjusted 2021 ending balances of the Interest Expense and the Interest Payable accounts. 2. Use the results of part 1 to complete the six-column table by first entering the appropriate adjustments for items a through g and then completing the adjusted trial balance columns. Hint: Item b requires two adjustments. 3. Prepare journal entries to record the adjustments entered on the six-column table. Assume Bug-Off's adjusted balance for Merchandise Inventory matches the year-end physical count. 4a. Prepare a single-step income statement for 2021. 4b. Prepare the statement of owner's equity (cash withdrawals during 2021 were $12,000 and owner investments were $0) for 2021. 4c. Prepare a classified balance sheet for December 31, 2021. Complete this question by entering your answers in the tabs below. Req 1 Req 2 Req 3 Req 4A Req 4B Req 4C Prepare a single-step income statement for 2021.