You Arrive at Your Final Exam for Your Law Class

Essay

You arrive at your final exam for your law class, and as you approach the door, your professor is standing at the door with a sign saying, "THE COST FOR TAKING THIS TEST IS $10 PAYABLE TO ME" (the professor). Your professor is also holding a tin cup for students to place their cash and checks into. Speaking entirely from a contract perspective, can your professor enforce such a fee? Explain fully.