1. [10 points] Consider the annual stock returns for company ABC, which are given in the following table. Annul returns for a company's common stock 10.4% 22.5% 11.1% -12.4% 9.8% 17.0% 2.8% 8.4% 34.6% -28.6% 0.6% 5.0% -17.6% 5.6% 8.9% 40.4% -1.0% -4.2% -5.2% 21.0% (1) Sort the data and build up a relative frequency distribution (with k = 8). (2) Draw the histogram of the data on the basis of (1), and provide a discussion on the histogram from a finance point of view. (3) Calculate the median, second quintile and third quartile of the data set. (4) If you wish to find a cut-off point (of the distribution) above which the return of your monthly investments is with 80% of chances, then what would be the cut-off point