Practice Question $-$ Expected return

The Vice President Corporate Finance for Megabucks Holdings is considering building an investment

portfolio to diversify the firm's large cash surplus. The portfolio will contain two stocks, L and M$.$

Stock $L$ will represent $40\%$ of the dollar value of the portfolio, and stock $M$ will account for the other

$60\%.$ The expected returns over the next $6$ years, $2024-2029,$ for each of these stocks are shown in

the following table.

a$.$ Calculate the expected portfolio return for each of the $6$ years.

b$.$ Calculate the expected value of portfolio returns over the $6-$year period.

c$.$ Calculate the standard deviation of expected portfolio returns, over the $6-$year period. $($Show all

workings$).$

SHOW ALL THE WORKINGS PLEASE.