NG SYSTEM (ACADEMIC) Question#6[9 points] Six monthly biannuals (two times in a year) sales volume in thousands Rials Omani of a departmental store for the year 2015-2016 are 345, 362,314, 365 respectively. (a) Use Adaptive Control to check that for simple exponential smoothing forecasts the use of smoothing constant a=0.02 is adequate. (b) What will be the forecasts for 2017 made at the end of 2016. (c) Compute 95% prediction interval for both forecasts in part (b). Paragraph BI E