Perkins Inc. accepted an advance of $1,500 on November 1, 2016 for providing IT helpdesk services for the following six months. Perkins recorded the $1,500 as revenue on November 1 and has not recorded any other entries related to this transaction. On December 31, 2016, Perkins will debit or credit deferred revenue for what amount? Indicate the amount and whether revenue would be debited D or credited C For example, if your answer is debit revenue for 100, then answer 100D (leave no space between the amount and C or D)