The fiscal 2018 financial statements of Walt Disney Co. show net operating profit margin (NOPM) of 5.73 %, net operating asset turnover (NOAT) of 1.28, return on equity of 6.6%, and adjusted return on assets of 4.96 %. What is the company's nonoperating return? (Write your answer in percent, omit the "%" sign, and round your answer to two decimal places. Add a minus sign if needed. For example, if your answer is 0.538, type in 53.80)