i need help with 11,12,13

Calculate the present value of the following future cash flows, rounding all calculations to the nearest dollar: (Cick the icon to view Present Value of $1 table) (Click the icon to view Present Value of Ordinary Annuity of \$1 table.) 11. $11,000 received in nine years with interest of 8% 12. $11,000 received in each of the following nine years with interest of 8% 13. Payments of $4,500,$5,000, and $6,500 received in years 2,3 and 4 , respectively, with interest of 10% Reference Reference