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 intermediate calculations. Round your answers to 2 decimal places.) January February IBM $ 178.04 AMZN $ 620.66 178.89 628.52 March 197.77 567.02 April 214.43 549.70 May 189.97 499.90 June 210.93 489.58 July 241.14 607.89 August 198.01 534.66 September 222.95 511.40 October 215.19 606.78 November 198.59 587.21 December 177.02 661.30