On November 1 Westside Dental Associates paid $20,000 to Office Realty for 4 month' rent beginning November 1. Assuming financial statements are only prepared at year-end, December 31st, the adjusting entry to be made by Westside Dental Associates on December 31st is: debit Rent Expense, $10,000; credit Prepaid Rent, $10,000. debit Prepaid Rent, \$20,000; credit Rent Expense, 20,000. debit Rent Expense, $2,000; credit Prepaid Rent, $2,000. debit Rent Expense, $15,000; credit Cash, $15,000