George brown is a regional sales manager for unisys, a large manufacturer of computer systems. as such, george is responsible for salespeople throughout the region, and he must interact with them frequently to solve problems. which of the following descriptions is most characteristic of unisys and its sales managers? a. wide span of management control and flat organizational heightb. narrow span of management control and flat organizational heightc. wide span of management control and tall organizational heightd. narrow span of management control and tall organizational height e. low administrative costs and clear communication