Which of the Following Compliance Techniques Is Correctly Matched with Its

Which of the following compliance techniques is correctly matched with its description?

A) Foot-in-the-door technique-Someone makes a large request, expects it to be refused, and follows it with a smaller one.
B) Door-in-the-face technique-When salespeople provide samples to potential customers, they do so to instigate the norm of reciprocity.
C) That's-not-all technique-When a salesperson offers you a deal at an inflated price; immediately after the initial offer, the salesperson offers an incentive, discount, or bonus to clinch the deal.
D) Not-so-free sample technique-One asks a person to agree to a small request, which has a high likelihood of compliance because it is small.