Answer:
Relationship selling
Step-by-step explanation:
Relationship selling is focussed more upon successfully building a long term relationship between a seller and a buyer rather than being merely focussed upon effecting a sales through .
The technique emphasizes upon the quality of interaction between the seller and the buyer which shall serve as a basis for develoment of a future relationship between the company and the customer.
This technique is prominent in case of those companies that rely on repetitive purchases on part of the buyer like private instructors. Good relationships may lead to customer loyalty which prompt repetitive purchases at their end.
In the given case, the supplier company's sales person rearranged production schedule so as to accomodate unexpected demand from a major client. Such an action demonstrates company's sales policy with emphasis upon relationship selling.