Finding the Present Value of a Compound Interest Retirement Account Tanja wants to establish an account that will supplement her retirement income beginning 30 years from now For each interest rate find the lump sum she must deposit today so that 750 000 will be available at time of retirement 39 5 compounded quarterly 168 910 81 40 6 compounded quarterly 125 642 39 41 5 compounded daily 42 6 compounded daily 167 364 81