Stock Date A B C D Exchange 09 /03/2010 128.32 18.59 21.01 15.47 10,503.12 09/07 /2010 125.94 18.11 20.62 15.53 10,370.58 09 /08/2010 125.23 17.84 20.74 15.79 10,453.31 09 /09/2010 126.61 18.07 20.53 16.03 10,508.58 09 / 10/2010 127.31 18.13 20.42 16.11 10,397.89 09 /13/2010 128.63 18.47 21.37 16.27 10,568.12 09 /14/2010 128.72 18.91 21.39 16.25 10,539.55 09 /15 /2010 128.45 18.91 21.62 16.28 10,514.94 09 /16 /2010 128.93 19.01 22.05 16.32 10,659.83 09 /17 /2010 130.62 18.95 21.73 16.29 10,615.83 09 /20/2010 130.61 18.97 21.68 16.66 10,799.16 09/21/2010 132.93 19.09 21.53 16.41 10,828.89The accompanying dataset provides the closing prices for four stocks and the stock exchange over 12 days. Complete parts a through c. a. Use Excel's Data Analysis Exponential Smoothing tool to forecast each of the stock prices using simple exponential smoothing with a smoothing constant of 0.3. Complete the exponential smoothing forecast model for stock A. (Type integers or decimals rounded to two decimal places as needed.) Date Forecast A 09 / 03/2010 09 / 07 / 2010 09 / 08 /2010 09 / 09 /2010 09 / 10/2010 09 / 13/2010 09 / 14/2010 09 / 15 / 2010 09 / 16/2010 1000OOO 09 / 17 / 2010 09 / 20 / 2010 09/ 21/2010