Which of the following is the adjusting entry, for a prepaid rent account balance before adjustment of $20,000 and unexpired rent of $5,000, for the financial year ending on June 30? Select one: O a. Increase Rent Expense $5,000; decrease Prepaid Rent, $5,000 O b. Increase Rent Expense $15,000; decrease Prepaid Rent, $15,000 OC. Increase Rent Expense $25,000; decrease Prepaid Rent, $15,000 Od. Increase Prepaid Rent, $15,000; decrease Rent Expense, $15,000