A 30-year security has a price of $9,908.71. The security pays $500 at the end of each of the next 5 years, $1000 at the end of years 6-15, and then it pays a different fixed cash flow amount at the end of each of the lowing 10 years (i.e., years 16-25). Finally, in years 26-30 it again pays 1000 per year at year end. Interest rates are 8.0%. What is the annual cash flow amount between 2