Calculate the NPV using the spreadsheet below, please show all formulas

2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2023 2024 35 Incremental Research Incremental Special Marketing 35 25 25 25 25 25 Growth 2% -50% 2% 2% 2% 2% 2% 2% 2% 2% -50% 50% -50% New Sales Marginal Sales (New Sales - Orig 214.77 0 New Cost of Sales Marginal Cost of Sales 49.4 0 New Direct Marketing Old Direct Marketing 57.99 57.99 59.15 29.57 14.79 7.39 0 0 0 0 0 0 0 0 0 Marginal Direct Marketing 0 8.59 New G&A Old G&A 8.59 8.76 4.38 2.19 1.1 0 0 0 0 0 0 0 0 0 Marginal G&A 0 Marginal Cash Flow pre Tax Marginal NOPAT -60 -40.8 NPV