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	$	170.24		$	601.81
February		173.69			614.48
March		181.39			585.35
April		197.14			544.50
May		196.21			526.94
June		204.95			505.18
July		223.85			603.99
August		214.00			540.51
September		216.71			514.78
October		213.63			593.65
November		192.74			598.52
December		173.38			647.00

IBM AMZN

march-december march to December