Answer:
Demon Deacons Corporation
1. Adjusting entries:
a. Debit Rent Expense $2,400
Credit Prepaid Rent $2,400
To record Rent Expense for 2 months.
b. Debit Deferred Revenue $3,000
Credit Service Revenue $3,000
To record service revenue earned.
c. Debit Salaries Expense $700
Credit Salaries Payable $700
To accrue salaries expense.
d. Debit Supplies Expense $3,200
Credit Supplies $3,200
To record supplies expense.
2. Adjusted Trial Balance
as of December 31, 2018
Accounts Debit Credit 
Cash 10,000 
Accounts Receivable 15,000 
Prepaid Rent 4,800 
Supplies 800 
Rent Expense 2,400
Supplies Expense 3,200
Deferred Revenue 2,250 
Common Stock 11,000 
Retained Earnings 6,000 
Service Revenue 51,950 
Salaries Expense 35,700 
Salaries Payable 700
 71,900 71,900
Step-by-step explanation:
a) Data and Calculations:
Unadjusted Trial Balance
Accounts Debit Credit 
Cash 10,000 
Accounts Receivable 15,000 
Prepaid Rent 7,200 
Supplies 4,000 
Deferred Revenue 3,000 
Common Stock 11,000 
Retained Earnings 6,000 
Service Revenue 51,200 
Salaries Expense 35,000 
 71,200 71,200
a. Rent Expenses = $2,400
Prepaid Rent = $4,800
b. Deferred Revenue = $3,000 - 750 = 2,250
 Service Revenue = 51,200 + 750 = 51,950
c. Salaries Expense 35,000 + 700 = 35,700
Salaries Payable = 700
d. Supplies Account = $4,000 - 3,200 = $800
Supplies Expense = $3,200