A. Insurance expense 2,807 Prepaid insurance 2,807

b. Teaching supplies expense 2,433
Teaching supplies 2,433

c. Depreciation expense—Equipment 11,227
Accumulated depreciation—Equipment 11,277

d. Depreciation expense—Professional library 5,614
Accumulated depreciation—Professional library 5,614

e. Unearned training fees 2,700
Training fees earned 2,700

f. Accounts receivable 2,819
Tuition fees earned 2,819

g. Salaries expense 100
Salaries payable 100

h. Rent expense 2,097
Prepaid rent 2,097

Wells Technical Institute (WTI), a school owned by Tristana Wells, provides training to individuals who pay tuition directly to the school. WTI also offers training to groups in off-site locations. Its unadjusted trial balance as of December 31, 2017, follows. WTI initially records prepaid expenses and unearned revenues in balance sheet accounts. Descriptions of items a through h that require adjusting entries on December 31, 2017, follow.

Additional Information:
a. An analysis of WTI's insurance policies shows that $2,807 of coverage has expired.
b. An inventory count shows that teaching supplies costing $2,433 are available at year-end 2017.
c. Annual depreciation on the equipment is $11,227. Annual depreciation on the professional library is $5,614.
d. On November 1, WTI agreed to do a special six-month course (starting immediately) for a client. The contract calls for a monthly fee of $2,900, and the client paid the first five months' fees in advance. When the cash was received, the Unearned Training Fees account was credited. The fee for the sixth month will be recorded when it is collected in 2018. On October 15, WTI agreed to teach a four-month class (beginning immediately) for an individual for $2,619 tuition per month payable at the end of the class. The class started on October 15, but no payment has yet been received. (WTI's accruals are applied to the nearest half-month; for example, October recognizes one-half month accrual.) WTI's two employees are paid weekly. As of the end of the year, two days' salaries have accrued at the rate of $100 per day for each employee. The balance in the Prepaid Rent account represents rent for December.

The question is incomplete, it is a really long question actually. I believe that you want to check if the adjusting entries were properly done.

a. An analysis of WTI's insurance policies shows that $2,807 of coverage has expired.

Dr Insurance expense 2,807

    Cr Prepaid insurance 2,807

CORRECT

b. An inventory count shows that teaching supplies costing $2,433 are available at year-end 2017.

Dr Teaching supplies expense (amount on trial balance - $2,433)

    Cr Teaching supplies (amount on trial balance - $2,433)

You do not need to record $2,433, you need to record the difference between the balance of teaching supplies and the ending inventory.

c. Annual depreciation on the equipment is $11,227. Annual depreciation on the professional library is $5,614.

Dr Depreciation expense 16,841

    Cr Accumulated depreciation, equipment 11,227

    Cr Accumulated depreciation, professional library 5,614

CORRECT

d. On November 1, WTI agreed to do a special six-month course (starting immediately) for a client. The contract calls for a monthly fee of $2,900, and the client paid the first five months' fees in advance. When the cash was received, the Unearned Training Fees account was credited. The fee for the sixth month will be recorded when it is collected in 2018.

Dr Unearned training Fees 5,800

    Cr Training fees earned 5,800 (2 months of accrued revenue)

On October 15, WTI agreed to teach a four-month class (beginning immediately) for an individual for $2,619 tuition per month payable at the end of the class. The class started on October 15, but no payment has yet been received. (WTI's accruals are applied to the nearest half-month; for example, October recognizes one-half month accrual.) WTI's two employees are paid weekly.

Dr Accounts receivable 3,928.50

    Cr Tuition fees earned 3,928.50 (1.5 months)

As of the end of the year, two days' salaries have accrued at the rate of $100 per day for each employee.

Dr Wages expense 400

    Cr Wages payable 400 (2 days x $100 x 2 employees)

The balance in the Prepaid Rent account represents rent for December.

Dr Rent expense 2,097

    Cr Prepaid rent 2,097 (assuming that this was the account balance)

I ASSUME ITS CORRECT

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