Answer:
Cruz Company
1. Closing Journal Entries:
Debit Income Summary $29,043
Credit: 
612 Depreciation expense
 —Equipment $2,000 
622 Salaries expense 21,746 
637 Insurance expense 1,567 
640 Rent expense 2,499 
652 Supplies expense 1,231
To close expenses to Income Summary.
Debit 404 Services revenue $37,300
Credit Income Summary $37,300
To close Service Revenue to Income Summary.
Debit Statement of Retained Earnings $6,000
Credit Dividends $6,000
To close Dividends to Statement of Retained Earnings.
Debit Income Summary $8,157
Credit Statement of Retained Earnings $8,157
To close the Income Summary to the Statement of Retained Earnings
2. Cruz Company
Post-Closing Trial Balance as of December 31:
No. Account Title Debit Credit 
101 Cash $ 18,000 
126 Supplies 11,800 
128 Prepaid insurance 2,000 
167 Equipment 23,000 
168 Accumulated depreciation
 —Equipment $ 6,500 
307 Common stock 8,443 
318 Retained earnings 39,857 
Totals $ 54,800 $ 54,800
Step-by-step explanation:
a) Data and Calculations:
Cruz Company
Trial Balance as of December 31:
No. Account Title Debit Credit 
101 Cash $ 18,000 
126 Supplies 11,800 
128 Prepaid insurance 2,000 
167 Equipment 23,000 
168 Accumulated depreciation
 —Equipment $ 6,500 
307 Common stock 8,443 
318 Retained earnings 37,600 
319 Dividends 6,000 
404 Services revenue 37,300 
612 Depreciation expense
 —Equipment 2,000 
622 Salaries expense 21,746 
637 Insurance expense 1,567 
640 Rent expense 2,499 
652 Supplies expense 1,231 
Totals $ 89,843 $ 89,843
b) Income Summary
Service Revenue $37,300
less Expenses 29,043
Net Income $8,257
c) Statement of Retained Earnings
Retained Earnings, beginning $37,600
Add net income 8,257
Less Dividends 6,000
Retained Earnings, ending $39,857