Need help solving this problem. Product A purchase price $236000/4 (time)= 59,000 Depreciation 74,000(1-.30)= 51800 (after tax income) 59,000+51,800=110,800 (cash flow). NPV= 110,800/(1+0.09)^2 and all the up to the 4th year. Cannot get the NPV to come out. Have not worked on the 2nd part yet.