Please show calculations

E13-11. Estimating Share Value Using the DCF Model Following are forecasts of sales, net operating profit after tax (NOPAT), and net operating assets (NOA) as of December 31, 2018, for Humana LO1, 2 HUMANA MBC Reported Forecast Horizon Period Terminal S millions 2018 2019 2020 2021 2022 Period Sales. $56.912 $57,766 $58,632 NOPAT $59,512 $60,404 $61,008 2,492 2,542 2,580 2,619 2,658 2,684 NOA 4,032 4,097 4.158 4.221 4,284 4,327 Answer the following requirements assuming a discount rate (WACC) of 7.8%, a terminal period growth rate of 1%, common shares outstanding of 135.6 million, net nonoperating obligations (NNO) of $(6,129) million, which is negative because Humana's nonoperating assets exceed its nonoperating liabilities, and no noncontrolling interest (NCI) on the balance sheet. a. Estimate the value of a share of Humana's common stock using the discounted cash flow (DCF) model as of December 31, 2018. b. Humana (HUM) stock closed at $307.56 on February 21, 2019, the date the 10-K was filed with the SEC. How does your valuation estimate compare with this closing price? What do you believe are some reasons for the difference