Using the Compound Interest Tables, Answer Each of the Following $\$ 100,000$

Essay

Using the compound interest tables, answer each of the following questions.
Required: a. Assuming that $\$ 100,000$ to be paid at the end of ten years has a present value today of $\$ 50,834.90$ , what interest rate compounded annually is used in the calculation of the present value?
b. What amount must be deposited today if $\$ 200,000$ is to be accumulated six years from today, and interest at $12 \%$ is compounded semiannually?