1) John wants to have= $800,000 in retirement fund 20 years from now. He can do it by making the single lump-sum payment today. If upon retirement in twenty years he plans to invest= $800,000 in fund which earns 4%, determine max annual withdrawal he can make over following fifteen years?
2) How much would John require having on deposit at retirement to withdraw= $35,000 annually over fifteen years if retirement fund earns 4%?
3) To achieve annual withdrawal goal of= $35,000 computed in part f, how much more than amount computed in part e, should John deposit today in the investment earning 4% annual interest?