A company is preparing its forecast sales information for the end of the current year. The actual sales information for the first nine months of the current year x1 is below : calculate 1-expected sales volume includin seasonal variation for december x1..and 2-sales volume trend is to be identified using 5 moving average….. sales volume (units) 172,100 -january 149,600-feb 165,800-marc 182,600-apr 160,100-may 197,100-june 174,600-jul 190,800-aug 207,600-sept advance thnxs…….