what's the solution by using Excel sheet and Excel Formula?

3. Assume that you invest 36% of your wealth in stock A and 64% of your wealth in stock B. Let the standard deviation of stock A's return equal 19% and the standard deviation of stock B's return equal 29%. Let the correlation coefficient of return of Stock A with Stock B equal to -1. Further assume that the expected return of A is 14% and the expected return of stock B is 18%. Find the expected return, variance and standard deviation of your portfolio in percentage and percentage squared terms