This is proprietary material solely for authorized instructor use. Not authorized for sale or distribution in any manner. This document may not be copied, scanned, duplicated, forwarded, distributed, or posted on a website, in whole or part. Solutions Manual Using a spreadsheet, financial calculator, or trial and error to find the root of the equation, we find that: IRRNX-20 = 20.34% The IRR criteria implies accepting the NX-20. c. The profitability index is the present value of…