The acronym ERP stands for

a$.$ Executive Reliability Profile $-$ a human resources program that identifies fast$-$track middle managers.

b$.$ Enterprise Resource Planning $-$ a data base of that ties together all application programs in a firm.

c$.$ Emergency Response Plan$-$a document required by government indicating planned responses to emergency situations.

d$.$ Elevated Reply Protocol$-$a list of executives authorized to deal with difficult customer concerns.

e$.$ Erratic Response Parameter$-$a quality metric indicating that a process is in or out of statistical control.