dave's bar-b-q operated a mobile kitchen that serviced construction sites, office buildings, and public parks. beginning in june, snow cones were added to the menu. the weekly sales figures for june of the previous year are given in the following chart: week sales forecast (alphaequals0.3) 1 4 5.0 2 6 4.7 3 4 4 5 use exponential smoothing, a smoothing coefficient of 0.3, to forecast demand for the third week of june. a. 5.1 b. 4.7 c. 6.4 d. 4.0