Spruce Tree Inc. billed its client $2,000 for services performed. Which of the following journal entries is recorded correctly? O DR: Service Revenue $2,000; CR: Accounts Receivable $2,000 VO DR: Cash $2,000; CR: Service Revenue $2,000 O DR: Accounts Receivable $2,000; CR: Unearned Revenue $2,000 O DR: Accounts Receivable $2,000; CR: Service Revenue $2,000