kindly assit me and please please show all working. can u share with me the link for thr excel or screenshot the working and excel formjla. i would prefer u sharing the link

1. Monthly sales for footwear at Downtown Plaza over the past 13 months are as follows: Sales Month ($1,000s) 11 Jan 14 Feb 16 Mar 10 Apr 15 May 17 Jun 11 Jul Sales Month ($1,000s) 14 Aug 17 Sept 12 Oct 14 Nov 16 Dec 11 Jan Determine the best Technique and Forecast for this enterprise, You may use Excel to complete this task. All necessary tables must be shown to establish conclusion 25 pts)