Which elements are included in the OMBA Mod 5 heuristic for defining an industry (and conducting a Five Forces analysis)?Option AThe heuristic involves defining industries based on firms that sell similar products, have similar suppliers, and have similar buyers.Option BThere is no heuristic for identifying an industry. Industries are defined based on the perspective of the firm doing the analysis. According to Mod 5, two people could reasonably conduct an industry analysis for the same firm and reach very different conclusions about industry membership.Option CThe heuristic involves identifying the SIC or NAICS code (SIC = Standard Industrial Code; NAICS = North American Industrial Classification System) to which a particular firm belongs.Option DWe define an industry as containing all of a firms Rivals and Substitutes.Option EThe heuristic involves defining industries by identifying the geographic regions into which firms sell.