use excel spreadsheet to approach timeline with calculations

Question 4 (25 points): Consider discount rate of 12.5% for the following cash flow: C-160,00 C-125,000 1-50,000 1-60,000 I-70,000 1-80,000 1-90,000 1 - 100,000 1-110,000 I-120,000 1-40,000 L-$100,000 3 6 7 Year 0 5 10 C: Cost, I: Income, L: Salvage Value Calculate the following project indicators for this cash flow a) NPV b) ROR c) Benefit Cost Ratio d) Present Value Ratio e) Based on above results, conclude if this investment your calculations compare to the guidelines for economic projects) economically satisfactory and why (how Note: For calculating ROR you can use Excel IRR function, but you need to show the ROR equation (balance of Costs and revenues) along with the required factors