Bug-Off Exterminators provides pest control services and sells extermination products manufactured by other companies. Following is the company's unadjusted trial balance as of December 31, 2021.

December 31, 2021
Unadjusted Trial Balance
Debit Credit
Cash $ 20,800
Accounts receivable 48,330
Allowance for doubtful accounts $ 866
Merchandise inventory 17,400
Trucks 51,000
Accumulated depreciation—Trucks 0
Equipment 56,400
Accumulated depreciation—Equipment 15,430
Accounts payable 5,950
Estimated warranty liability 2,350
Unearned services revenue 0
Interest payable 0
Long-term notes payable 34,000
Common stock 37,000
Retained earnings 66,000
Dividends 29,000
Extermination services revenue 98,000
Interest revenue 910
Sales (of merchandise) 125,826
Cost of goods sold 52,000
Depreciation expense—Trucks 0
Depreciation expense—Equipment 0
Wages expense 54,000
Interest expense 0
Rent expense 28,000
Bad debts expense 0
Miscellaneous expense 1,302
Repairs expense 17,500
Utilities expense 10,600
Warranty expense 0
Totals $ 386,332 $ 386,332
The following information in a through h applies to the company at the end of the current year.

The bank reconciliation as of December 31, 2021, includes the following facts.
Cash balance per bank $ 17,000
Cash balance per books 20,800
Outstanding checks 2,750
Deposit in transit 3,400
Interest earned (on bank account) 90
Bank service charges (miscellaneous expense) 34
Reported on the bank statement is a canceled check that the company failed to record. (Information from the bank reconciliation allows you to determine the amount of this check, which is a payment on an account payable.)

An examination of customers’ accounts shows that accounts totaling $698 should be written off as uncollectible. Using an aging of receivables, the company determines that the ending balance of the Allowance for Doubtful Accounts should be $795.

A truck is purchased and placed in service on January 1, 2021. Its cost is being depreciated with the straight-line method using the following facts and estimates.

Original cost $ 51,000
Expected salvage value $ 15,600
Useful life (years) 4
Two items of equipment (a sprayer and an injector) were purchased and put into service in early January 2019. They are being depreciated with the straight-line method using these facts and estimates.

Sprayer Injector
Original cost $ 30,800 $ 25,600
Expected salvage value $ 3,000 $ 4,400
Useful life (years) 8 5
On September 1, 2021, the company is paid $25,500 cash in advance to provide monthly service for an apartment complex for one year. The company began providing the services in September. When the cash was received, the full amount was credited to the Extermination Services Revenue account.

The company offers a warranty for the services it sells. The expected cost of providing warranty service is 2.5% of the extermination services revenue of $81,000 for 2021. No warranty expense has been recorded for 2021. All costs of servicing warranties in 2021 were properly debited to the Estimated Warranty Liability account.

The $34,000 long-term note is an 8%, five-year, interest-bearing note with interest payable annually on December 31. The note was signed with First National Bank on December 31, 2021.

The ending inventory of merchandise is counted and determined to have a cost of $15,500. Bug-Off uses a perpetual inventory system.

Required:
1. Determine amounts for the following items:

Correct (reconciled) ending balance of Cash; and the amount of the omitted check.
Adjustment needed to obtain the correct ending balance of the Allowance for Doubtful Accounts.
Depreciation expense for the truck used during year 2021.
Depreciation expense for the two items of equipment used during year 2021.
The adjusted 2021 ending balances of the Extermination Services Revenue and Unearned Services Revenue accounts.
The adjusted 2021 ending balances of the Warranty Expense and the Estimated Warranty Liability accounts.
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 retained earnings (cash dividends during 2021 were $29,000) for 2021.

4c. Prepare a classified balance sheet for December 31, 2021.