You are now planning your own retirement. You feel that you can retire comfortably if you can amass $$725,962.$ You also believe that you can manage to save $$4,591$ per year after you start your first job after you graduate from Tarleton State University. You will be starting with an investment account with $$0$ in it$.$ If you think you can earn $10\mathrm{.}12\%$ per year$-$in your retirement$/$investment account, how many years will you have to work before you can retire? Please round to two decimals.