The follow sales data were collected, forecast August sales using below forecast methods. Be sure to show your calculation steps; grade will be deducted if you do not show the steps. Month Sales Data in MA4 Wt. MA3(5,3,1) Exp. S. (Q=8) Linear Trend (000) a=318, b=24 March 340 April 360 May 400 June 420 July 430 414.24 August 1. (1 point)Draw a line graph on the data 2. (2 points) MAY 3. (2 points) Wt. MA3 (5,3,1) 4. (2 points) Exponential Smoothing (a-.8) 5. (2 points) Linear Trend given intercept is 318 and slope is 24 6. (1 points) Which method is the most appropriate to use? Why