The following transactions occurred during November:

Nov. $1$ Sent bills to clients for services provided in August in the amount of $$12,000.$

Nov. $9$ Purchased office equipment of $$4,000$ and office supplies of $$150$ from Office Depot, receiving an invoice for $$4,150.$ None of the office supplies were used during November.

Nov. $15$ Paid for the office furniture and supplies purchased from Office Depot.

Nov. $23$ Received a $$350$ bill from WKRP Radio for advertising. The bill will be paid next month.

Nov. $30$ Paid salaries of $$2,500$ to employees.

Based on these transactions, what is the total amount of expense that should be reported on the company's income statement for the month?