$13\mathrm{.}10.$ Suppose the company in problem $13\mathrm{.}8$ had another market area located between the parent plant and the proposed distribution center. The LTL costs from the plant to that market are $$35$ per cwt$.$ The company estimates that LTL shipments from the distribution center will cost $$6$ per cwt$.$ Should it supply this market from the distribution center or central supply?