On December 31,2016,the Balance in Pinnacle Exploration Company's Unearned Revenue

On December 31,2016,the balance in Pinnacle Exploration Company's Unearned Revenue account was a credit of $6,000.In January,2017,the company received an advance payment of $12,000 from a new customer for services to be performed.By January 31,adjustments were made to recognize $7,000 of the revenue that had been earned during January.What was the balance in Unearned Revenue on January 31,2017?

A) $7,000 credit
B) $12,000 debit
C) $6,000 credit
D) $11,000 credit