Military, ministries and other state organizations are the typical examples of the vertically designed organizations.(s. 230)

The firms in the silk production sector have hierarchic structures, formal rules and strict work environment. (s. 232)

Firms in the electronic sector had a flat hierarchy, less formalization, flexible work environment and participative decision making system. (s. 232)

Job enrichment, decentralization, informal interactions, teamwork and communication among units are the significant features of horizontal design. (s. 230)

Organic design perspective characterized by decentralized, flexible and informal interactions among employees are best for rapidly changing environments. (s.232)

The correct answer is A.