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 TBM $ 175.04 176.89 191.47 207.78 192.37 208.63 234.49 204.16 220.55 214.59 196.34 175.62 AZN $ 613.41 623.12 574.07 547.70 S10.30 495.58 606.39 536.91 512.70 601.73 591.56 655.80 IBM AMZN March Apni May June July August September October November December