A manufacturing company has monthly demand for one of its products as follows: Demand. Month February 610 March 510 April 420 May 600 June 580 July 550 490 August September 520 A. Develop a three-period weighted moving average forecast with weights of 0.40, 0.40, and 0.20 for the most recent values, in that order. B. Develop an exponential smoothing forecast using a = 0.25. C. Calculate MAPE for each of the above methods, and indicate which method seems to be more accurate and why. D. How good is the chosen forecasting method in Part C and why?