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	$ 20,200
Accounts receivable	37,920
Allowance for doubtful accounts		$ 860
Merchandise inventory	16,500
Trucks	48,000
Accumulated depreciationTrucks		0
Equipment	54,600
Accumulated depreciationEquipment		14,920
Accounts payable		5,800
Estimated warranty liability		2,200
Unearned services revenue		0
Interest payable		0
Long-term notes payable		31,000
D. Buggs, Capital		96,100
D. Buggs, Withdrawals	26,000
Extermination services revenue		92,000
Interest revenue		904
Sales (of merchandise)		113,826
Cost of goods sold	51,100
Depreciation expenseTrucks	0
Depreciation expenseEquipment	0
Wages expense	51,000
Interest expense	0
Rent expense	25,000
Bad debts expense	0
Miscellaneous expense	1,290
Repairs expense	16,000
Utilities expense	10,000
Warranty expense	0
Totals	$ 357,610	$ 357,610

The following information in a through h applies to the company at the end of the current year.

1. The bank reconciliation as of December 31, 2021, includes the following facts.

Cash balance per bank	$ 16,700
Cash balance per books	20,200
Outstanding checks	2,600
Deposit in transit	3,250
Interest earned (on bank account)	84
Bank service charges (miscellaneous expense)	31

2. An examination of customers accounts shows that accounts totaling $695 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 $780.
3. 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	$ 48,000
Expected salvage value	$ 14,400
Useful life (years)	4

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	$ 30,200	$ 24,400
Expected salvage value	$ 3,000	$ 4,100
Useful life (years)	8	5

5. On September 1, 2021, the company is paid $21,900 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.
6. 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 $77,400 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.
7. The $31,000 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.
8. The ending inventory of merchandise is counted and determined to have a cost of $14,900. Bug-Off uses a perpetual inventory system.

a. Reconciled balance of cash
a. Omitted check
b. Necessary adjustment
c. Depreciation expense
	Sprayer	Injector
d. Depreciation expense
	Extermination Services Revenue	Unearned Services Revenue
e. Ending balances after adjustment
	Warranty Expense	Estimated Warranty Liability
f. Ending balances after adjustment
	Interest Expense	Interest Payable
g. Ending balances after adjustment