please include excel formulas

stock c info added

This is an individual Excel assignment. You must use Excel functions to answer ALL calculations. Each question/problem must be on a new Excel sheet. This means that you must use 10 Excel sheets for 10 questions/problems. Stock A and Stock B produced the following returns during the past five years: g. Assume that the portfolio now consists of 33.33 percent Stock A, 33.33 percent Stock B, and 33.33 percent Stock C. How does this composition affect the portfolio return, standard deviation, and coefficient of variation versus when 50 percent was invested in A and in B ? \begin{tabular}{lc} Year & Stock C's Return, rC \\ \hline 2018 & 32.00% \\ 2019 & -11.75 \\ 2020 & 10.75 \\ 2021 & 32.25 \\ 2022 & -6.75 \end{tabular}