5) Ford Motor Company had realized returns of 10%, 20%, 15%, and 10% over four quarters. What is the quarterly standard deviation of returns for Ford?

A.14.87%

B.16.52%

C.15.69%

D.14.04%

6)UPS, a delivery services company, has a beta of 1.4,and Wal-Mart has a beta of 0.9. The risk-free rate of interest is 6% and the market risk premium is 9%.What is the expected return on a portfolio with 50% of its money in UPS and the balance in Wal-Mart?

A.19.6%

B.15.5%

C.16.4%

D.18%

8)A portfolio has three stocks 120 shares of Yahoo (YHOO),220 shares of General Motors (GM), and 90 shares of Standard and Poor's Index Fund (SPY). If the price of YHOO is $20, the price of GM is $20, and the price of SPY is $130, calculate the portfolio weight of YHOO and GM.

A.12.3%,21.4%

B.9.1%,22.6%

C.9.7%,11.9%.

D13%,23.8%