Actual sales and initial forecasts are given below. Your company is using alpha of 0.2and beta of 0.4for an adjusted exponential smoothing including trend model.Currently you have been asked to determine if the existing adjusted exponential smoothing including trend model should be used ora 3 period weightedmoving average(use 0.5, 0.3, 0.2). a)Calculate the forecast for week 6 and 7using both methods.[8 points]b)Using quantitative reasoning,which method would you recommend and why? [3points]Use the table below as you need to answer the questions above.

Week Actual Sales Forecast ES Trend Adjusted Forecast (including Trend) 1 12 11 2 13.00 2 17 12.80 1.92 14.72 3 20 15.18 2.10 17.28 4 19 17.82 2.32 20.14 5 24 19.91 2.23 22.14 6 21 7