18. The year-end financial statements of Time Company reveal average shareholders' equity attributable to controlling interest of $669,826 thousand, net operating profit after tax of $48,032 thousand, net operating profit after tax of $29,068 thousand, and average net operating assets of $283,531 thousand. The company's return on equity (ROE) for the year is: A) 4.3% B) 10.3% C) 7.2% D) 16.9% E) There is not enough information to calculate the ratio.