On November 1, rental revenue was credited $3,600 for revenue received from a sub-rental beginning on that date. The annual adjusting entry on December 31 of the same year would be? a. Debit - unearned rental revenue $1,200 and Credit - Rental revenue $1,200 b. Debit - unearned rental revenue $2,400 and Credit - rental revenue $2,400 c. Debit - Rental revenue $1,200 and Credit - unearned rental revenue $1,200 d. Debit - rental revenue $2,400 and Credit - unearned rental revenue $2,400