On 1/10/2020, Smart Law Company received $ 6,000 from Mr. Rami, for legal services to be provided for him, in the next 5 months. If the company closes its accounts annually, on 31 December of every year, what is the balance in the unearned service revenue account, to appear on the company's balance sheet, on 31/12/2020? Put the answer without any $ sign or comma , if the answer is $5000, just insert in the space 5000