A company owns a machine which it purchased four years ago for Rs 100,000. The accumulated depreciation on the machine to date is Rs 40,000. The machine could be sold to another manufacturer for Rs 50,000 but there would be dismantling costs of Rs 5,000. To replace the machine with a new version would cost Rs 110,000 The cash flows from the existing machine are estimated to be Rs 25,000 for the next two years followed by Rs 20,000 per year for the remaining four years of the machine life. The relevant discount rate for this company is 10% and the discount factors are: Year 1 Year 2 Year 3 - 6 inclusive 0.909 0.826 2.619 (annuity rate) REQUIRED Calculate the following values for the machine (1) Historical cost (ii) NRV (iii) Replacement cost (iv) Economic value [9 Marks]