Personal selling, as a form promotion, differs when the effort is a b2b (business to business) sales effort rather than a b2c (business to consumer) sales effort. b2b personal selling requires

Personal selling, as a form promotion, differs when the effort is a B2B (business to business) sales effort rather than a B2C (business to consumer) sales effort. B2B personal selling requires more prospecting and qualifying of customers. When you are selling to a business, you need to make sure your product is the best qualified for the business you are selling to, to use to sell to their customers. The process is a lot harder because many manufactures are competing to contract out with another company to provide them with a product they can use to make their final product they sell to consumers. 

Xd ik what you mean i was very behind last year in my classes. if u have trouble with math i suggest photomath.