Theresa is considering starting a small business. She plans to purchase equipment costing $145,000. Rent on the building used by the business will be $26,000 per year while other operating costs will total $30,000 per year. A market research specialist estimates that Theresa's annual sales from the business will amount to $80,000. Theresa plans to operate the business for 6 years. Disregarding the effects of taxes, what will be the amount of annual net cash flow generated by the business?