Solution:
Deffered revenue means when an organization receives the payment prior to the goods delivered to conusmer. In the given case, business receives $3000 on 1, January for ten month service (From january to October).
The revenue per month needs to be calculated:
Revenue per month = Revenue for ten months divided by Total number of months
By putting the figures we get,
Revenue per month = $3000 divided by 10 = $300 per month
An adjusting entry needs to be passed: Â Â Â Â
Date       Particulars                 debit          credit Â
31st jan     Unearned Revenue         $300
            Service Revenue                        $300
( Service revenue that has been collected in advance) Â Â Â Â Â Â Â Â Â Â Â