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A convenience store recently started to carry a new brand of son drink. Management is interested in estimating fuhire sales volume to dethrmine whether it should eontinue fo carry the new brand forecast for week. 1 of 595 ) methods to forecast demand for week 13. Compare these methods by using the moan absolute deviation and mean absolute percint error perlormance criteria. Does your analysis sugpest that sales are trending and is so, by how much? (i) Obtain the trend projection with regression forecast. The forecast for week 13 is (Enter your response rounded to the nearest whele number)