8-8

Problem 8-3 Simple Moving Averages (L04, 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.) January February March April May June July August September October November December IBM $ 169.64 173.29 180.13 195.81 196.69 204.49 222.52 215.23 216.23 213.51 192.29 173.10 AMZN $ 600.36 613.40 586.76 544.10 529.02 506.38 603.69 540.96 515.04 592.64 599.39 645.90 AMZN IBM 57.09 $ March April May June July August September October November December