which one of the following is an advantage of having production operations to manufacture athletic footwear in all four geographic regions? group of answer choices increased ability to reduce companywide spending for best practices training of plant workers because all the best practice training benefits gained at one plant are immediately transferred to other plants at zero cost. increased ability to produce 500 models/styles at each production facility at a lower total production cost per branded pair produced than other rivals also producing 500 models/styles but having plants in only 1, 2, or 3 regions. increased ability to achieve lower total labor costs per pair produced than rivals having only 1, 2, or 3 plants. maximum ability to achieve all available economies of scale in producing footwear and thereby gain a competitive advantage vis-a-vis rivals based on lower total production costs per pair. reduced exposure to adverse exchange rate cost adjustments (because having production facilities in all four geographic regions typically enables a company to reduce cross-region shipments of pairs that are subject to unfavorable shifts in exchange rates).