Jose Montenegro has been working for a producer of video games that sell through toy wholesalers to retailers. He knows all about the hard-to-play but hot-selling games sold by his company and by competitors. He goes into his wholesalers' territories and tries to get local retailer customers interested in his company's line‑‑and even trains retailers to demonstrate how to play the hard games. When a retailer is ready to buy, Jose turns the business over to the wholesaler's sales rep. What is the role of jose ??