Considering the risks involved in systems contracting, which one of the following factors significantly influences the success of an outsourced contract?

a$.$

Providing the sole discretion of technological advancements in software and hardware to the contractor after signing the contract

b$.$

Depending solely on the purchasing department's inputs

c$.$

Clear delineation of performance expectations and measurement systems throughout the systems development

d$.$

Relying on an inflexible pricing system