2. (10 points) Use an online source (such as Yahoo Finance) to complete the following questions (a) The stock symbol of Apple is AAPL. Estimate and for AAPL by using the weekly adjusted closing prices over the last year and the S&P 500 index as the (b) Estimate and for AAPL by using the weekly adjusted closing prices over the (c) Estimate and for AAPL by using the daily adjusted closing prices over the (d) Estimate and for AAPL by using the weekly adjusted closing prices over the (e) Observe the results above and give the factors that the actual calculated value market portfolio last two years and the S&P 500 index as the market portfolio. last two years and the S&P 500 index as the market portfolio. last two years and the NASDAQ-100 index as the market portfolio. of depends on