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 $ 179.24 $ 623.56 February 179.69 630.68 March 200.29 564.20 April 217.09 550.50 May 189.01 495.74 June 211.85 487.18 July 243.80 608.49 August 195.55 533.76 September 223.91 510.88 October 215.43 608.80 November 199.49 585.47 December 177.58 663.50

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.) January February March April May June July August September October November December IBM $ 179.24 179.69 200.29 217.09 189.01 211.85 243.80 195.55 223.91 215.43 199.49 177.58 AMZN $623.56 630.68 564.20 550.50 495.74 487.18 608.49 533.76 510.88 608.80 585.47 663.50 IBM AMZN March April May June July August September October November December