You own three stocks:600 shares of AppleComputer,10,000 shares of CiscoSystems, and 5,000 shares ofColgate-Palmolive. The current share prices and expected returns ofApple, Cisco, andColgate-Palmolive are,respectively,

$528, $22, $104 and 12%,10%,8%.

a. What are the portfolio weights of the three stocks in yourportfolio?

b. What is the expected return of yourportfolio?

c. Suppose the price of Apple stock goes up by $22,Cisco rises by $5,andColgate-Palmolive falls by $15. What are the new portfolioweights?

d. Assuming thestocks' expected returns remain thesame, what is the expected return of the portfolio at the newprices?