Assume a company reported the following results: Sales Variable expenses $ 400,000 260,000 Contribution margin Fixed expenses Net operating income 140,000 40,000 Average operating assets $ 100,000 $ 550,000 If the company's minimum required rate of return on average operating assets is 16%, its residual income would be: Multiple Choice $12,000. $13,000. $14,000. $15,000.