Complete Present Value of an Ordinary Annuity

Short Answer

Complete present value of an ordinary annuity:
$$\begin{array} { | l | l | l | l | l | } \hline \begin{array} { l } \text { Amount of } \\\text { Annuity Expected }\end{array} & \text { Payment } & & \text { Interest Rate } & \\& \text { Payable } & \text { Years } & \text { Earned } & \text { Present Value } \\\hline \$ 8,500 & \text { Semiannually } & 4 & 10 \% & ? \\\hline\end{array}$$