What is the test for a breach of contract?

Saskatchewan, Canada

The following excerpt is from Forbes v Morrison, 2014 SKQB 40 (CanLII):

A similar principle applies to breaches of contract. Where there are several ways in which a contract could be performed, the mode to be adopted is the one “…least profitable to the plaintiff, and the least burthensome to the defendant.” (See: Hamilton v. Open Window Bakery Ltd., 2004 SCC 9, [2004] 1 S.C.R. 303 at para. 11)

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