An Advantage of Outsourcing the Sales Function Is That Selling

An advantage of outsourcing the sales function is that selling costs can be shared with other manufacturers.If a company manufactures spark plugs,which would be the best company for them to share their outsourced salespeople with?

A) a company that manufactures spark plugs
B) a company that manufactures fan belts
C) a company that manufactures bicycle chains
D) a company that sells credit card processing services
E) a company that sells advertising in women's magazines