Phillip Morris reported the following information in its 2018 Form 10-K. $ millions Stockholders' (Deficit) Equity Common stock, no par value (2,109,316,331 shares issued in 2018 and 2017) Additional paid-in capital Earnings reinvested in the business Accumulated other comprehensive losses Total stockholders' equity before treasury stock Less: cost of repurchased stock (554,736,610 and 556,098,569 shares in 2018 and 2017, respectively) Total PMI stockholders' deficit Noncontrolling interests Total stockholders' deficit Net earnings Net earnings attributable to noncontrolling interests Net earnings attributable to PMI a. Compute ROE for 2018 using the equity numbers as reported. Dec. 31, 2018 Dec. 31, 2017 $0 2,715 43,420 (14,155) 31,980 49,421 (17,441) 1,720 (15,721) $11,600 375 $11,225 $0 2,761 41,803 (11,949) 32,615 49,535 (16,920) 1,856 (15.064) How do you interpret this ratio? Ratio is not intepretable + b. Add back treasury shares to adjust for the company's negative equity. Recompute ROE for 2018.