You are thinking about buying a piece of art that costs $40,000. The art dealer is proposing the following deal: He will lend you the money, and you will repay the loan by making the same payment every two years for the next 20 years (i.e., a total of 10 payments). If the interest rate is 4% per year, how much will you have to pay every two years? Every two years the payment is $ . (Round to the nearest dollar.)