Take the following as truth: It has been pointed out by the American co-authors of this paper that a post could rationalize its delivery costs by reducing the frequency of service on unprofitable routes to the point where they become profitable (Cohen et al.
Then the following statement: "It was pointed out by the co-authors that the post could rationalize the delivery costs by lowering the frequency of service on bad routes until they finally stopped losing $100,000 a year on them." is true, false, or inconclusive?