Which of the following statements is TRUE in terms of an optimal strategy for local, regional, and global systems? A Firms will always increase agency costs by developing only a few core global systems for vital global operations, and leaving other systems to local and regional units B All systems should always be locally scoped in nature, even ones which are vital for global operations Firms can reduce agency costs by developing only a few core global systems for vital global operations and leaving other systems to local and regional units D Firms should seek to increase transactional, agency, and coordination costs when doing business globally