Grever is the East Coast manager of Hamilton Software Technolgy. Other managers are in charge of the West Coast, South, and Central divisions. His brother, Elijah is working at a different IT company. Their employees are grouped according to their functional expertise as well as the different vital product lines that they are working on. (a) Grever most likely works in a company with a structure, while (b) Elijah most likely works in a company with a structure.