what formula and function do i use to calculate the nomianl intrest ratw and effective interest rate

\begin{tabular}{|l|} \hline 1 \\ \hline 2 \\ \hline 3 \\ \hline 4 \\ \hline 5 \\ \hline 5 \\ \hline 7 \\ \hline 8 \\ \hline 9 \\ \hline 10 \\ \hline 11 \\ 12 \\ 13 \\ \hline 14 \\ \hline 15 \\ \hline 16 \\ \hline 17 \\ \hline 13 \\ \hline 19 \\ \hline 20 \\ \hline 21 \\ \hline 22 \\ \hline 27 \\ \hline 24 \\ \hline 25 \\ \hline 26 \\ \hline 27 \\ \hline 20 \\ \hline \end{tabular} 8 D E Financial Functions \begin{tabular}{|lr|} \hline Tauk 1 Data \\ \hline & \\ toan Amount & 5175,000.00 \\ Interest Rate" & 4.2585 \\ Number of Payments & 360 \\ \hline & \\ Monthly Payment & 5860.89 \\ \hline \end{tabular}