Problem 8-3 Simple Moving Averages (LO4, CFA1) The table below shows the closing monthly stock prices for IBM and Amazon. Calculate the simple three-month moving average for each month for both companies. (Input all amounts as positive values. Do not round intermediate calculations. Round your answers to 2 decimal places.) IBM AMZN January $ 179.84 $ 625.01 February 180.09 631.76 March 201.55 562.79 April 218.42 550.90 May 188.53 493.66 June 212.31 485.98 July 245.13 608.79 August 194.32 533.31 September 224.39 510.62 October 215.55 609.81 November 199.94 584.60 December 177.86 664.60