Find the total number of compounding periods and the interest rate per period for the investment. \begin{tabular}{|c|c|c|c|c|} \hline \begin{tabular}{c} Term of \\ Investment \end{tabular} & \begin{tabular}{c} Nominal \\ (Annual) Rate (\%) \end{tabular} & \begin{tabular}{c} Interest \\ Compounded \end{tabular} & \begin{tabular}{c} Compounding \\ Periods \end{tabular} & \begin{tabular}{c} Rate per \\ Period (\%) \end{tabular} \\ \hline 7 years & 3.5 & semiannually & & \\ \hline \end{tabular}