Exercise 2 Compare between the following two (After Tax cash flow) machines using internal rate of return analysis, present worth analysis, and annual worth analysis: B/C; after tax analysis Machine (A) Machine (B) 80,000 First Cost (S) Life (years) Annual Cost (S) 200,000 10 5 18,000 6,000 Salvage value (S) 20,000 40,000 Depreciation method SL SL Tax Rate (%) 30 30 After tax MARR (%) 10 10 Inflation 5% 5%