You need $24,856 at the end of nine years, and your only investment outlet is a 10 percent long-term certificate of deposit (compounded annually). With the certificate of deposit, you make an initial investment at the beginning of the first year. Use Appendix B and Appendix C. (Round "PV Factor" to 3 decimal places. Round the final answers to nearest whole dollar.) a. What single payment could be made at the beginning of the first year to achieve this objective? Single payment made $ b. What amount could you invest at the end of each year annually for nine years to achieve this same objective? Amount to be paid $