Software Express LLC collected marketing data for four months, January through April. Express decided to weight the data and use a three month weighted moving average. January - 21, February - 26 weight 0.10, March - 26 weight 0.40 and April - 28 weight 0.50. The forecast for May is Select one: O a. 27.0 O b. 27.1 O c. 27.2 O d. 27.3 Next page