You own 4 security portfolio.You invested $5,000 stock W, $20,000 stock X, $15,000 stock Y and $10,000 in treasury bond.The expected returns on these securities are negative 4%, +8%, +12.5% and +3% respectively.

1.What is the expected return on your portfolio?

5600

8400

14000

19600

24400

28500

2.With respect to information in question above, assume stock W has a beta of 1.2; stock X has a beta of 1.4 and stock Y has a beta of 0.5.Calculate theportfolio beta?