(in millions) Reported 2017 Sales $21,167 NOPAT 3,306 NOA 11,137 Select one: O O O 2018 $22,395 3,498 11,787 a. $75.41 b. $71.32 C. $83.14 d. $80.67 2019 $23,694 3,701 12,471 Assuming a discount rate (WACC) of 7%, a terminal period growth rate of 1%, common shares outstanding of 754.5 million, and net nonoperating obligations (NNO) of $1,037 million, estimate the value of a share of 3M's common stock using the residual operating income (ROPI) model as of December 31, 2017. 2020 $25,068 3,916 13,194 2021 Terminal Period $26,787 4,184 14,098 $26,522 4,143 13,959