Themba Is a Freelance Graphic Designer

Themba is a freelance graphic designer.Last month, a client hired him to design a website, at a flat rate of R15 000.Themba met with the client numerous times to sketch out the project, and engaged in a fair amount of background research.Just as he was getting ready to sign a contract for the job, the client mentioned, 'Oh, by the way, I also need you to design three catalogue covers under your contract.' Even though Themba would never design a website AND three catalogue covers for just R15 000, he had already invested so much time and energy in this client that he ended up just saying yes to everything.Themba told his friends that he was 'tricked' by the client.Social psychologists would say that he was a victim of the ____.

A) legitimisation-of-paltry-favours technique
B) low-ball technique
C) labelling technique
D) foot-in-the-door technique