Please show step by step answer with computation in excel

\begin{tabular}{|c|c|c|c|c|} \hline \multirow{2}{*}{\begin{tabular}{l} Day \\ E \end{tabular}} & A & B & C & D \\ \hline & \multicolumn{2}{|c|}{KLCl} & & \\ \hline \multirow[t]{2}{*}{1} & $1.00 & $1.20 & $5.20 & $3.20 \\ \hline & $4.50 & 1700 & & \\ \hline \multirow[t]{2}{*}{2} & 1.20 & 1.30 & 5.50 & 3.354 .80 \\ \hline & 1720 & & & \\ \hline \multirow[t]{2}{*}{3} & 1.10 & 1.35 & 5.40 & 3.104 .50 \\ \hline & 1750 & & & \\ \hline \multirow[t]{2}{*}{4} & 1.15 & 1.22 & 5.30 & 3.204 .65 \\ \hline & 1780 & & & \\ \hline \multirow[t]{2}{*}{5} & 1.10 & 1.26 & 5.35 & 3.164 .70 \\ \hline & 1760 & & & \\ \hline \multirow[t]{2}{*}{6} & 1.12 & 1.30 & 5.45 & 3.184 .40 \\ \hline & 1820 & & & \\ \hline \multirow[t]{2}{*}{7} & 1.08 & 1.32 & 5.60 & 3.254 .20 \\ \hline & 1780 & & & \\ \hline \multirow[t]{2}{*}{8} & 1.15 & 1.18 & 5.80 & 3.304 .35 \\ \hline & 1840 & & & \\ \hline \multirow[t]{2}{*}{9} & 1.10 & 1.24 & 5.55 & 3.254 .48 \\ \hline & 1750 & & & \\ \hline \multirow[t]{2}{*}{10} & 1.20 & 1.22 & 5.40 & 3.304 .45 \\ \hline & 1760 & & & \\ \hline \multirow[t]{2}{*}{11} & 1.15 & 1.30 & 5.25 & 3.454 .30 \\ \hline & 1800 & & & \\ \hline \multirow[t]{2}{*}{12} & 1.18 & 1.36 & 5.45 & 3.504 .32 \\ \hline & 1850 & & & \\ \hline \multirow[t]{2}{*}{13} & 1.22 & 1.28 & 5.75 & 3.654 .36 \\ \hline & 1790 & & & \\ \hline \multirow[t]{2}{*}{14} & 1.24 & 1.30 & 5.90 & 3.554 .28 \\ \hline & 1780 & & & \\ \hline \multirow[t]{2}{*}{15} & 1.28 & 1.32 & 6.20 & 3.404 .25 \\ \hline & 1840 & & & \\ \hline \end{tabular} Refer Table 1 to answer question 1 - 5 . 1. Saham manakah mempunyai risiko pulangan paling tinggi berdasarkan sisihan piawai? Which share has the highest risk on return hased on standard deviation? \begin{tabular}{rllll} 6 & 1.12 & 1.30 & 5.45 & 3.184 .40 \\ & 1820 & & & \\ 7 & 1.08 & 1.32 & 5.60 & 3.254 .20 \\ & 1780 & & & \\ 8 & 1.15 & 1.18 & 5.80 & 3.304 .35 \\ & 1840 & & & \\ 9 & 1.10 & 1.24 & 5.55 & 3.254 .48 \\ & 1750 & & & \\ 10 & 1.20 & 1.22 & 5.40 & 3.304 .45 \\ & 1760 & & & \\ 11 & 1.15 & 1.30 & 5.25 & 3.454 .30 \\ & 1800 & & & \\ 12 & 1.18 & 1.36 & 5.45 & 3.504 .32 \\ & 1850 & & & \\ 13 & 1.22 & 1.28 & 5.75 & 3.654 .36 \\ & 1790 & & & \\ 14 & 1.24 & 1.30 & 5.90 & 3.554 .28 \\ & 1780 & & & \\ 15 & 1.28 & 1.32 & 6.20 & 3.404 .25 \\ & 1840 & & & \end{tabular} A B C D E