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4) You are considering projects A and B as shown below and your firm has an 8% required rate of return. Year WNO Project A (168,000.00) 44,500.00 82,000.00 48,000.00 65,000.00 26,000.00 Project B (205,000.00) 56,000.00 36,000.00 121,000.00 26,500.00 81,000.00 a) Calculate the IRR of each project.(5) b) Calculate the NPV of each project.(5) c) Calculate the payback period of each project.(5) d) If these projects are independent, which one(s) should be accepted? Why?(3) e) If these projects are mutually exclusive, which one(s) should be accepted? Why?(3)