The Houston Mavericks basketball team receives $6,500 for season tickets on August 1. By December 31, $3,900 of the revenue has been earned. The adjusting entry to be made on December 31 includes a:

A) credit to Unearned Revenue of $3,900.

B) debit to Unearned Revenue of $3,900.

C) debit to Ticket Revenue of $3,900.

D) credit to Prepaid Revenue of $2,600.