An Order-Taking Sales Rep Would Be Most Appropriate for a Producer

An order-taking sales rep would be most appropriate for a producer of

A) cleaning materials for maintenance-calling on regular customers.
B) designer clothing-calling on possible new retailers.
C) laptop computers-selling to manufacturers who don't yet have any computers.
D) airplanes-calling on possible corporate jet customers.
E) a new brand of DVD system-calling on wholesalers.