[Solved] The main difference between CPM and PERT is A)CPM and PERT use different activity time estimates. B)PERT analysis is less expensive to conduct. C)PERT lends itself to computerization while CPM networks must be constructed manually. D)CPM integrates time and cost performance while PERT is based solely on time performance. Similar Product: A product that has characteristics or features that are alike when compared to another product. RFP: Request for Proposal, a document issued by an organization seeking to procure a service or product, inviting suppliers to submit a proposal on the specifics of the stated requirement. Distance Learning Technology: Technologies designed to facilitate learning for students who are not physically present in a traditional educational setting. Buying Center: A team within a company that is in charge of deciding what to buy.