Answer:
1. An analysis of WTI's insurance policies shows that $2,542 of coverage has expired. 
 Dr Insurance expense 2,542
 Cr Prepaid insurance 2,542
 
2. An inventory count shows that teaching supplies costing $2,204 are available at year-end. 
 Dr Teaching supplies expense 8,158 
 Cr Teaching supplies 8,158 
 
3. Annual depreciation on the equipment is $10,170. 
 Dr Depreciation expense 10,170
 Cr Accumulated depreciation: equipment 10,170
 
4. Annual depreciation on the professional library is $5,085. 
 Dr Depreciation expense 5,085
 Cr Accumulated depreciation: professional library 5,085
 
5. On September 1, WTI agreed to do five courses for a client for $2,400 each. Two courses will start immediately and finish before the end of the year. Three courses will not begin until next year. The client paid $12,000 cash in advance for all five courses on September 1, and WTI credited Unearned Training Fees.
 Dr Unearned training fees 4,800 
 Cr Training fees earned 4,800 
 
6. On October 15, WTI agreed to teach a four-month class (beginning immediately) for an executive with payment due at the end of the class. At December 31, $6,498 of the tuition has been earned by WTI.
 Dr Accounts receivable 6,498
 Cr Tuition fees earned 6,498
 
7. 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. 
 Dr Salaries expense 400 
 Cr Salaries payable 400 
 
8. The balance in the Prepaid Rent account represents rent for December. 
Dr Rent expense 2,073
 Cr Prepaid rent 2,073
 
Wells Technical Institute (WTI) 
 Adjusted Trial Balance 
 Debit Credit 
 Cash $26,944
 Accounts receivable $6,498
 Prepaid rent $0 
 Teaching supplies $2,204 
 Prepaid insurance $13,003
 Professional library $31,088 
 Accumulated depreciation: $14,413
 Professional library 
Equipment $72,533 
 Accumulated depreciation: $26,752 
 Equipment 
 Accounts payable $37,202 
 Salaries payable $400 
 Unearned training fees $6,700 
 Common stock $11,000
 Retained earnings $54,908 
 Dividends $41,452 
 Tuition fees earned $112,199 
 Training fees earned $44,179
 Depreciation expense: $5,085
 Professional library 
 Depreciation expense: $10,170 
 Equipment 
 Salaries expense $50,143
 Insurance expense $2,542
 Rent expense $24,876
 Teaching supplies expense $8,158 
 Advertising expense $7,254
 Utilities expense  $5,803    
 Totals $307,753 $307,753
 
a) Wells Technical Institute (WTI) 
Income Statement
 For the year ended December 31, 2018
Revenue:
-  Tuition fees earned $112,199 
-  Training fees earned $44,179 $156,378
Operating expenses:
-  Depreciation expense $15,255
-  Salaries expense $50,143
-  Insurance expense $2,542
-  Rent expense $24,876
-  Teaching supplies expense $8,158 
-  Advertising expense $7,254
-  Utilities expense $5,803 ($114,031)
Operating income $42,347
b)Wells Technical Institute (WTI) 
Balance Sheet
For the year ended December 31, 2018
Assets: 
 Cash $26,944
 Accounts receivable $6,498
 Teaching supplies $2,204 
 Prepaid insurance $13,003
 Professional library, net $16,675
Equipment, net $45,781 
Total assets $111,105
Liabilities:
 Accounts payable $37,202 
 Salaries payable $400 
 Unearned training fees $6,700 
Total liabilities $44,302
Stockholders' Equity:
 Common stock $11,000
 Retained earnings $55,803
Total stockholders' Equity $66,803
Total liabilities and equity $111,105
c)Wells Technical Institute (WTI) 
Statement of Retained Earnings
For the year ended December 31, 2018
Beginning balance January 1, 2018 $54,908 
Net income $42,347
Subtotal $97,255
Dividends  ($41,452 )
Ending balance December 31, 2018 $66,803