Which one of the following is a disadvantage of the matrix organisational structure? Select one: a. There are higher administrative costs involved as each section requires its own functional specialists. b. There is divided authority, which can have an effect on the unity of command of managers. c. Managers can become focused solely on their specific products and may lose sight of the business as a whole. d. This form of structure creates small privately-owned businesses, which are more or less autonomous.