An investor has some money which he wants to invest in shares. Obviously, he would like to invest in those shares promise higher returns. Also, he doesn't want to invest all his money in one; rather he wants to distribute it in three shares. He has collected the following information on five different shares in ten randomly selected time periods. Can you help the investor in deciding which three shares to invest his money in? (Note: The last two rows give the column sum and column SS respectively). RATE OF RETURN IN 22.82 24.80 31.56 30.79 24.35 26.92 32.1? 37.00 33.54 30.15