On October 1, 2018, Martin Corporation prepaid the rent for a year amounting to $24,000. At that time, the bookkeeper debited Rent Expense. At the end of 2018, the company prepared adjusting entries. What entry would be necessary in regard to the rent? Rent Expense6,000 Prepaid Rent6,000 No entry is necessary Prepaid Rent 18.000 Rent Expense 18,000 Rent Expense 18,000 Prepaid Expense 18,000