Which statement below is NOT about product life cycle management system?

a$.$ Implementing PLM involves the integration of product and production data, business procedures, and people

b$.$ PLM system is concerned with managing the entire life cycle of a product

c$.$ None of the options listed

d$.$ PLM system starts with the initial concept for it$,$ continuing through its development and design, prototype testing, manufacturing planning, production operations, customer service, and finally its end$-$of$-$life disposal

e$.$ PLM is a business process that begins with product design, but its scope is much broader than product design