As businesses strive for market expansion, companies add to their sales force, but opt to eliminate sales offices across the nation and internationally. how are these firms able to remotely operate a sales force that contributes toward increasing the bottom line? a. a sensible strategy is to transport sales professionals to the world headquarters on a bi-weekly basis. b. the business strategically moves manufacturing facilities to low-cost areas and allocates more funds toward the sales professionals to meet face-to-face with management. c. the operation is maintained with an advanced mrp system. d. the operation is managed with teleconferencing information technology, and telecommuting.