From the following table we can conclude: Month Demand Forecast Error Jan 38 43 -5 Feb 39 44 -5 Mar 42 47 -5 Apr 44 49 -5 May 47 42 5 Jun 49 44 5 Jul 51 46 5 Aug 53 48 5 CFE = 0 Question 13 Answer a. The forecast is not perfect and it has both under estimation and over estimation of demand although the CFE is 0 b. The forecast is consistently underestimating the demand c. The forecast is consistently overestimating the demand d. The forecast is perfect because CFE is 0