[20 points] For the data in problem (3), what is the forecast for May based on a weighted moving average applied to the past demand data using following weighs. a) (t) month weight = 0.45, (t-1) month weight = 0.35, (t-2) month weight = 0.20 b) (t) month weight = 0.25, (t-1) month weight = 0.35, (t-2) month weight = 0.40 c) If the actual forecast for May is 50 units, which forecast is more accurate? Explain why. [20 points] Consider the recorded sales record of a product given in the following table. Feb. Mar. Nov. 39 Dec. 36 Jan. 40 April 42 48 46