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 $ 176.24 177.69 193.99 210.44 191.41 209.55 237.15 201.70 221.51 214.83 197.24 176.18 AMZN $ 616.31 625.28 571.25 548.50 506.14 493.18 606.99 536.01 512.18 603.75 589.82 658.00 IBM AMZN March April May June July 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 March April May June IBM $ 175.64 177.29 192.73 209.11 191.89 209.09 235.82 202.93 221.03 214.71 196.79 175.90 AMZN $ 614.86 624.20 572.66 548.10 508.22 494.38 606.69 536.46 512.44 602.74 590.69 656.90 July August September October November December IBM AMZN March April May June July August September October