Louis agreed to provide all the apples that Cindy's Cider Mill will need at $5 per bushel unless weather conditions require additional labor to be hired. The rate would then be $5.50 per bushel. A freeze warning required Louis to hire additional overtime workers, raising the cost per bushel to $5.50. Louis wants to get out of his contract. Can he? a. No, the parties expected the hardship and provided for it in their contract. b. No, there is no hardship. c. Yes, the contract is commercially impracticable. d. Yes, the freeze is a supervening event