In Case 13.2, B-Sharp Musical Productions, Inc. v. Haber, which of the following statements best describes the rule of law that the court applied in this case? a. A clause that specifies a certain amount to be paid on a default is enforceable if, when the contract was made, it was difficult to estimate the damages and the specified amount is reasonable. b. A party who suffers a breach of contract may collect damages but has a duty to mitigate losses. c. To be liable for foreseeable losses caused by circumstances beyond a contract, a party must know, or have reason to know, of those circumstances. d. When a party breaches a contract, the injured party has a duty to mitigate damages or will have no claim for damages