You are considering an investment in a 30-year security. The security will pay $10 a year at the end of each of the first five years. The security will then pay $20 a year at the end of each of the next 20 years. The nominal interest rate is assumed to be 8 percent, and the current price (present value) of the security is $800. Given this information, what is the equal annual payment to be received from year 26 through year 30?