A business has the following transactions: - The business is started by receiving cash from an investor in exchange for common stock $20,000. - The business purchases supplies on account $500. - The business purchases furniture on account $2,000. - The business renders services to various clients on account totaling $12,000. - The business pays salaries $2,100. - The business pays this month's rent $4,000. - The business pays for the supplies purchased on account. - The business collects from one of its clients for services rendered earlier in the month $1,800. What is total income for the month? Net income $