The Highlands Craft Store makes and sells bowls and mugs that are hand-made by local artisans, at their craft store and through their website. Since making these items requires a special type of clay and a large amount of individual man-hours, for planning purposes the company would like to forecast future demand, specifically through their website, which has increasingly become the primary source of their sales. Following is the company€™s website demand (in items sold) for the past 36 months.

Develop a linear trend forecast model, an exponentially smoothed model (a = 0.20) and a 5-month moving average forecast model and indicate which one seems best to forecast websitedemand.

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Month Sales Month Sales Month Sales I345 3 415 25 344 286 455 634 5 506 17418 29 502 388 427 561 447 395 414 522 411 266 347 395 298 377 26 27 28 16 278 411 510 198 387 344 412 18 19 20 21 522 421 384 455 506 478 613 30 31 32 2 10 2 23 35 12 36