Please help

Our unearned revenue account had a credit balance of $5,000 before adjusting entries were recorded. On December 31, we determined that $2,000 of the $5,000 had been earned during the current year. What account and amount would we credit when we record this adjusting entry in the general journal? O unearned revenue, $2,000 service revenue, $2,000 unearned revenue, $3,000 service revenue, $3,000