Q.1: The following table shows the amount spent on advertising during the period 2011 to 2021. Years Amount 2011 90.8 2012 102.1 2013 106.6 2014 108.6 2015 111.9 2016 120.9 2017 127.9 2018 122.6 2019 123.5 2020 125.3 2021 121.3 i. Compute the smoothed value for all years using an exponential smoothing technique with a=0.4 and determine the forecast for year 2022. ii. Use Holt's linear exponential smoothing with a= 0.3 and B=0.2 to forecast the value for the year 2022 and 2023. iii. Compute MSE in both cases and decide which constant gives you better forecast