Suppose that Tin Company contracts to provide several manufacturers with tin. If a carte of tin-producing countries embargoes future shipments of tin to Tin Company so that Tin Company cannot fulfill its contractual obligations, then a. Tin Company will be liable for breach of contracts. b. Tin Company will have to take whatever steps are necessary to secure adequate supplies of tin from third parties. c. Tin Company will be excused from the performance of its contracts. d. None of the above.