Adidas and Nike canceled the contracts they made with Kanye West and Kyrie Irving after the celebrities were accused of making anti-Semitic comments. "Mr. West became worth so much to the company's bottom line that Adidas hesitated to end his contract... Mr. Irving's lucrative brand meant so little to Nike that it could afford to cancel his next shoe one day after he apologized." Did Adidas treat the cost of the contract it canceled with Kanye West as a sunk cost or a fixed cost? Did Nike treat the cost of the contract it canceled with Kyrie Irving as a sunk cost or a fixed cost? Briefly explain your answers.