Check my The table below shows the closing monthly stock prices for IBM and Amazon. Calculate the simple three-month moving average fo each month for both companies. (Input all amounts as positive values. Do not round intermediate calculations. Round your ansv to 2 decimal places.) IBM AMZN $ 171.44 $ 604.71 January February 174.49 616.64 March 183.91 582.53 April May 199.80 545.30 195.25 522.78 June 205.87 502.78 July August September October 226.51 604.59 211.54 539.61 217.67 514.26 es 213.87 595.67 November 193.64 596.78 December 173.94 649.20 IBM AMZN March April May June July August September October November