Some employees at a local business heard that the business was going to increase its use of information systems. Which of the following is a valid concern the employees could have?

A. Information systems are hard to learn and employees will not be able to use them.
B. The amount of data generated by an information systems may cause information overload.
C. The employees will be forced to take a pay cut because information systems are more expensive to operate.
D. Information systems reduce the number of customers that can be reached at one time, reducing the need for jobs.