I. Introduction In the current sophisticated and competitive business environment, B2B (business-to-business) selling is an exclusive form of commerce. Unlike B2C (business-to-consumer) buying, B2B sales entail bigger-ticket sales, longer sales cycles, and relationship-based sales founded on trust and authority. These are usually between firms, for instance, a producer selling to a distributor or a software provider selling to an enterprise. Due to this sophistication, learni