Final answer:
Carol can change her mind about giving Pam $10,000 because Pam did not provide consideration, which is a requirement for a legally binding contract.
Step-by-step explanation:
The student's question involves understanding the elements of a contract in a given scenario where Carol makes a promise to give Pam $10,000 simply because they are best friends and Carol has inherited some money. Analyzing the elements of a contract, the correct reason Carol is allowed to change her mind about giving Pam the money is because Pam did not give consideration for Carol's promise. Consideration is one of the essential elements of a contract that involves something of value exchanged between the parties. In this case, Pam did not provide anything in exchange for the $10,000, making the promise a gift rather than a contract. Under contract law, a gift promise without consideration is not enforceable.