Assume the expected return for Exxon is $11\%$ and that of Walmart is $18\%.$ You have $40\%$ of your stock invested in Exxon and $60\%$ invested in Walmart. Assume the annual standard deviation of returns is $20\%$ for Exxon and $34\%$ for Walmart. The correlation between Intel and ATP is $0\mathrm{.}35.(4$ Points$)$

What is the expected return of your portfolio?

What is the standard deviation for the portfolio?