please answer with excel if possible with equations :)

There are two assets and three states of the economy, answers questions 6 to 10 . 6. What are the expected returns for these two stocks? 7. What are the standard deviations for these two stocks? 8. Suppose you have $20,000 total. If you put $15,000 in Stock A and the remainder in Stock B, what are the portfolio returns in each state? 9. Suppose you have $20,000 total. If you put $15,000 in Stock A and the remainder in Stock B, what will be the expected return of your portfolio? 10. Suppose you have $20,000 total. If you put $15,000 in Stock A and the remainder in Stock B, what will be the standard deviation of your portfolio