Problem 8-4 Exponential Moving Averages (LO4, CFA1) The table below shows the closing monthly stock prices for IBM and Amazon. Calculate the exponential three-month moving average for both stocks where two-thirds of the average weight is placed on the most recent price. (Do not round Intermediete calculatlons Round your answers to 2 declmal places.) IBM January February March April May June July August September October November December AMZN $179.24 $623.56 179.69 630.68 200.29 564.20 217.09 550.50 189.01 495.74 211.85 487.18 243.80 608.49 195.55 533.76 223.91 510.88 215.43 608.80 199.49 585.47 177.58 663.50 IBM AMZN March April May June July August October