Answer:
Date Accounts Titles & Explanation Debit Credit
Dec 31 Rent Expense $2,040
 ($6,120 *2/6)
 Prepaid Rent $2,040 
Dec 31 Deferred Revenue $525
 Service Revenue $525
Dec 31 Salaries Expense $700 
 Salaries Payable $700
 
Dec 31 Supplies Expense $2,390
 ($3,100 - $710) 
 Supplies $2,390
 
 Demon Deacons Corporation
 Adjusted Trial balance
 December 31, 2021
 Accounts Debit$ Credit$
Cash 9,100
Account receivable 14,100
Prepaid rent 4080
Supplies 710
Deferred revenue 1,575
Salaries payable 700
Common stock 11,000
Retain earnings 5,100
Service revenue 45,245
Salaries expenses 31,200
Rent expenses 2,040
Supplies expenses 2,390  
Total $63,620 $63,620
Prepaid rent = 6,120 - 2,040 = 4080
Supplies = 3100 - 2390 = 710
Deferred revenue = 2,100 - 525 = 1575