(i) (ii) (iii) (iv) Show (with clear workings) how the present value of 100 received ten years from now differs depending on whether the discount rate is 10% or 50%. Show with clear workings that the NPV of the following project is positive using a discount rate of 25%. The project initial cost = 100 in year 0 and there are net positive cash flows of 50 in year 1 and 1000 in year 5. Explain the steps in the internal return method of capital appraisal Show with clear working that the IRR for the following project gives a signal to invest if the company's discount rate is 20%. Cost in year 0=400,000. Net revenue in year 1=200,000 and in year 2= 400,000