Deborah Consultants Had the Following Accounts and Account Balances After

Deborah Consultants had the following accounts and account balances after adjusting entries.Assume all accounts have normal balances.Calculate the amount of service revenue and prepare the adjusted trial balance for Deborah Consultants as of December 31,2019.
$$\begin{array} { | l | r| } \hline \text { Cash } & \$ 6,000 \\\hline \text { Accounts Receivable } & 2,000 \\\hline \text { Office Supplies } & 1,800 \\\hline \text { Equipment } & 15,000 \\\hline \text { Accumulated Depreciation--Equipment } & 9,000 \\\hline \text { Deborah, Capital } & 3,000 \\\hline \text { Deborah, Withdrawals } &15,000 \\\hline \text { Service Revenue } & ? \\\hline \text { Salaries Expense } & 4,000 \\\hline \text { Rent Expense } & 800\\\hline \text { Depreciation Expense--Equipment } &1,500\\ \text { Supplies Expense } &500 \\\hline\end{array}$$