ABC Co. purchases small trinkets in bulk, packages them, and sells them to retail stores. They are conducting an inventory control study of all their items. The following data are for one such item, which is not seasonal a. Use trend projection to estimate the relationship between time and sales (state the equation). (See table) b. Calculate forecasts for the first four months of the next year. (See table) c. Show a graphical presentation of your given answer. Year Month Period (x) Sales (y) x2 xy Jan 1 51 Feb 2 55 Mar 3 54 Apr 4 57 May 5 50 Jun 6 68 2020 Jul 7 66 Aug 8 59 Sep 9 67 Oct 10 69 Nov 11 75 Dec 12 2 73 SUM 78 744 AVERAGE 6.5 62 FORECAST TREND LINE Jan 13 b= Feb 14 a= 2021 Mar 15 y= Apr 16