The year-end balance sheet of Star Inc. shows total assets of $12,407 million, operating assets of $9,849 million, operating liabilities of $5,291 million, and shareholders' equity of $5,532 million. The company's year-end net operating assets are: Select one: a. None of these are correct. b. $9,849 million c. $17,698 million d. $15,140 million e. $4,558 million