72) Total logistics costs for a supply chain network are a sum of A) inventory and facility costs. B) inventory, facility, and distributor costs. C) facility, transportation, and distributor costs. D) inventory, transportation, and facility costs. E) none of the above 73) As the number of facilities in a supply chain network increases, total logistics costs will A) decrease. B) decrease at first and then increase. C) increase. D) increase at first and then decrease. E) neither increase or decrease