Answer:
Gabriel's Graphics Company
a. Adjusting Journal Entries:
Debit Supplies Expense $2,400
Credit Supplies $2,400
To record supplies expenses for the period.
Debit Interest Expense $1,000
Credit Interest Payable $1,000
To record interest accrued.
Debit Insurance Expense $675
Credit Prepaid Insurance $675
To record insurance expense for the period.
Debit Services Revenue $1,300
Credit Unearned Services Revenue $1,300
To record unearned services revenue.
Debit Accounts Receivable $2,000
Credit Services Revenue $2,000
To record revenue for services performed but unrecorded.
Debit Depreciation Expense $1,125
Credit Accumulated Depreciation $1,125
To record depreciation expense.
b. Adjusted Trial Balance:
Account Titles        Debit      Credit
Cash                $8,600
Accounts receivable   16,000
Equipment           45,000
Insurance Expense       675
Prepaid Insurance      2,025
Salaries & Wages Exp. 30,000
Supplies Expense      2,400
Supplies              1,300
Advertising expense    1,900
Rent expense         1,500
Utilities expense       1,700
Interest expense      1,000
Depreciation expense  1,125
Accumulated Depreciation         $1,125
Notes Payable                  20,000
Interest Payable                  1,000
Accounts Payable                9,000
Owner's capital                22,000
Sales Revenue                 52,100
Services Revenue               6,700
Unearned Services Revenue       1,300
Totals            $113,225   $113,225
c. Income Statement for the six months ended June 30:
Sales Revenue                 $52,100
Services Revenue                 6,700
Total Revenue                 $58,800
Insurance Expense       675
Salaries & Wages Exp. 30,000
Supplies Expense      2,400
Advertising expense    1,900
Rent expense         1,500
Utilities expense       1,700
Interest expense      1,000
Depreciation expense  1,125     40,300
Net Income                   $18,500
Owner's Equity Statement for the six months ended June 30:
Owner's Capital        $22,000
Net Income             18,500
Equity Balance         $40,500
Balance Sheet at June 30:
Assets:
Cash               $8,600
Accounts Receivable  16,000
Supplies             1,300
Prepaid Insurance     2,025
Equipment    45,000
Less Acc. dep. Â 1,125 43,875
Total assets        $71,800
Liabilities + Equity:
Notes Payable     $20,000
Interest Payable      1,000
Accounts Payable    9,000
Unearned Revenue   1,300
Owner's equity     40,500
Total Liab. + Equity $71,800
Step-by-step explanation:
a) Data and Calculations:
1. Supplies Expense = $2,400 ($3,700 - 1,300)
 Supplies balance = $1,300
2. Interest Expense on Note Payable = $1,000 ($20,000 * 6% * 5/6)
3.Insurance Expense: $675 ($2,700 * 3/12)
Prepaid Insurance = $2,025 ($2,700 - 674)
4. Unearned Services Revenue = $1,300
5. Earned Services Revenue = $6,700 ($6,000 - 1,300 + 2,000)
6. Depreciation = $1,125 ($2,250/2)
Accounts Receivable:
As per unadjusted trial balance $14,000
Services Revenue              2,000
As per adjusted trial balance   $16,000