30. The balance in the prepaid rent account before adjustment at the end of the year is S15,000, which represents three months' rent paid on December 1. The adjusting entry required on December 31 is a.) debit Rent Expense, $5,000; credit Prepaid Rent, $5,000 debit Prepaid Rent, $10,000; credit Rent Expense, $5,000 debit Rent Expense, $10,000; credit Prepaid Rent, $5,000 debit Prepaid Rent, $5,000; credit Rent Expense, $5,000 c. d