Final answer:
The opportunity cost of purchasing a wedge of cheese is the value of other potential purchases.
Step-by-step explanation:
The opportunity cost of purchasing a wedge of cheese is the value of other potential purchases. In this case, the opportunity cost of buying a wedge of cheese would be the value of potential purchases that could have been made with the $10 spent on the cheese. It is important to note that opportunity cost is the value of the next best alternative.