could someone help me explain how to get to the answer. The answers are already there but i want to learn how to get to the numbers of adjusting entries of A and B. someone said to use t-accounts but do not know how a t-account works either. thank you in advance

adjusting entries

The company paid 18,000 for a one year lease that commenced on 9/1/20

a) If company recorded to rent expense: (adjusting entry)

prepaid rent 12000

rent expense 12000

b) If a company recorded to Prepaid rent: (adjusting entry)

Rent Expense 6000

Prepaid rent 6000