Under UCC 2-615, which of the following events would likely excuse the seller's performance under a contract to provide goods to the buyer? A. A sudden breakdown of a key component of the seller's manufacturing system. B. The buyer's insolvency. C. A substantial increase in the worldwide market for a key commodity, which significantly increases seller's costs of production beyond what seller anticipated at the time of contracting and results in a substantial loss to seller under the contract at issue. D. None of the above. . Under the UCC a liquidated damages clause will be enforceable provided: A. The anticipated loss from a breach would be difficult to prove. B. The amount agreed is reasonable in light of the anticipated or actual harm caused by the. C. Both parties are merchants. D. A and B but not C