Please help me with these 5 problems

You are considering how to invest part of your retirement savings. You have decided to put $500,000 into three stocks 69% of the money in GoldFinger (currently $20/share), 13% of the money in Moosehead (currently $93/share), and the remainder in Venture Associates (currently $5/share). Suppose GoldFinger stock goes up to $37/share, Moosehead stock drops to $57/share, and Venture Associates stock rises to $7 per share. a. What is the new value of the portfolio? b. What return did the portfolio earn? c. If you don't buy or sell any shares after the price change, what are your new portfolio weights? a. What is the new value of the portfolio? The new value of the portfolio is S . (Round to the nearest dollar) b. What retum did the portfolio earn? The portfolio eamed a return of %. (Round to two decimal places.) c. If you don't buy or sell any shares after the price chango, what are your new portfolio weights? The weight of Goldfinger is now %. (Round to two decimal places.) The weight of Moosehead is now %. (Round to two decimal places) The weight of Venture is now %. (Round to two decimal places) uppose all possible investment opportunities in the world are limited to the five stocks listed in the following table. What are the market portfolio weights? Stock Price/Share Number of Shares Outstanding (millions) 9.38 16.68 4.63 42.62 46.66 ter the percentage that each stock makes up of the total portfolio: (Round to two decimal places.) Stock % of Total (portfolio weight) OOO At the beginning of 2007 (the year the iPhone was introduced), Apple's beta was 1.1 and the risk-free rate was about 3.5%. Apple's price was $84.04. Apple's price at the end of 2007 was $193.68. If you estimate the market risk premium to have been 5.6%, did Apple's managers exceed their investors' required return as given by the CAPM? The expected return is %. (Round to two decimal places) The realized return is %. (Round to two decimal places.) (Select from the drop-down menu.) Did Apple's managers exceed their investors' required return as given by the CAPM