Answer:
Endless Chain Method
Explanation:
According to my research on the different prospecting methods, I can say that based on the information provided within the question Langley is using the Endless Chain Method. This is a method where a salesperson asks each person that purchases their product to provide a couple of names of people that may be interested in buying that same product. Salespeople use this technique to find likely customers and therefore increase sales.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
