Expected return and standard deviation. Use the following information to answer the questions: $.$

a$.$ What is the expected return of each asset?

b$.$ What is the variance and the standard deviation of each asset?

c$.$ What is the expected return of a portfolio with $8\%$ in asset $J,46\%$ in asset $K,$ and $46\%$ in asset $L?$

d$.$ What is the portfolio's variance and standard deviation using the same asset weights from part $($c$)?$

Note:

after

Data table

a$.$ W

$($Click on the following icon $$ in order to copy its contents into a spreadsheet.$)$