. Describe the a) the 7 Steps of Marketing and Selling B2B Products and Services that a B2B business marketing manager should follow in developing an appropriate B2B Value Proposition and B2B sales message for a new high speed packaging system targeted for the food service industry. . Then,b) create the message and include it in your answer. The B2B sales and marketing messages must include a metrics-based Value Proposition With 3 three - specific metrics based benefits.