b. One cannot fairly compare firms which are in two unrelated industries (such as Ford and Google) Oc. It is oftentimes hard to assign a firm to an industry, especially if the firm is a conglomerate (such as GE) d.b&c e.a&c Moving to the next question prevents changes to this answer. b. One cannot fairly compare firms which are in two unrelated industries (such as Ford and Google) Oc. It is oftentimes hard to assign a firm to an industry, especially if the firm is a conglomerate (such as GE) d.b&c e.a&c Moving to the next question prevents changes to this