Braeden Innovations is a company that sells database systems and software integration packages to schools and universities. Po Komacho is a trade sales representative with Braeden Innovations. As a trade sales representative, she promotes the company and its products to software resellers and supports their sales representatives in selling Braedens software clients. A large part of her job involves attending industry trade shows and working at the Braeden Innovations booth at the exhibit hall of the trade show.

Since Po covers both trade shows and resellers, it make most sense for her to organize her territory by?