Please provide excel formulas. You own a portfolio that is invested $15$ percent in Stock X$,35$

percent in Stock Y$,$ and $50$ percent in Stock Z$.$ The expected

$2$ returns on these three stocks are $9$ percent, $15$ percent, and

$12$ percent, respectively. What is the expected return on the

portfolio?

Input area:

$($Use cells A$6$ to B$11$ from the given information to complete this question.$)$

Output area: