Christie has just started with a travel agency, and she has been offering clients and prospective clients a range of packaged tours.

Christie has just started with a travel agency, and she has been offering clients and prospective clients a range of packaged tours. She is concerned, because the commissions she is earning on her sales are lower than she had hoped. Her colleague Peter, who has been with the agency for several years, is having a great deal of success by working closely with the clients, seeking their ideas, and building customized tour packages for each one based on their suggestions. Peter's approach is based on