Managing Information Systems in a Modern Organization Is Challenging Because

Managing information systems in a modern organization is challenging because:

A) The systems are very expensive to acquire, operate, and maintain.
B) The systems are critical to the organization's operations.
C) The systems are easily replaced.
D) Both of the following are correct: the systems are very expensive to acquire, operate, and maintain; and the systems are critical to the organization's operations.
E) Both of the following are correct: the systems are very expensive to acquire, operate, and maintain; and the systems are easily replaced.