On November 1st, Secure Home Security Systems has a beginning balance of $0.00 in their deferred revenue account before they receive an advance of $12,000 from a client to provide security monitoring services to the client over the next 4 months. What is the balance in the deferred revenue account on December 31st after the required adjusting entry? Fill in the blank with your calculated number. DO NOT include commas, $ signs, period, decimal points, etc., just enter the raw number. Webcourses will add commas to your answer automatically. For example, if you calculated the answer to be $24,123, you would only input: 24123