With no explanation, chose the best option from "A" or "B". John is an accountant leaving his employer of several years to start his own business. John wants to start his new business off with lots of clients.

A: John copies the e-mails of several top clients at his old job and reaches out to them with lower rates than his old employer which they accept.
B: John advertises heavily prior to opening his business, and gets many new clients when he opens.
B.