Which of the following best describes the multidivisional structure?

a. It is a structure that combines two or more organizational forms, with multiple reporting relationships.

b. It is a decentralized structure consisting of a set of operating divisions organized along business, customer, product, or geographic lines, and central corporate headquarters.

c. It is organized along functional lines, where a function represents a major step in the firm's value chain.

d. It consists of a central executive who handles major decisions and oversees all operations with the help of a small staff.

e. It is a highly centralized organizational structure, where top executives retain authority for most strategic and operating decisions and keep a tight rein on business-unit heads.