Which of the following statements is FALSE?

Select one:

a$.$ KMS is best characterized under MRS

b$.$ A company's investment in MIS should support managers in discovering the root cause of goals not being met

c$.$ A management goal not being met $($such as missing quarterly sales goals$)$ is a symptom of a problem not the root cause

d$.$ An organization's MIS consists of $3$ subsystems: TPS$,$ MRS$,$ and DSS

e$.$ MIS should support all. levels of management from supervisory to middle to top management