12. A company is considering an investment proposal to purchase a machine costing Rs. 2,50,000. The Machine has a life expectancy of 5 years and no salvage value. The Company's tax rate is 40%. The firm uses straight line method for providing depreciation. The estimated cash flows before tax and depreciation (CFBT) from th:e machine are as follows: Calculate: Net Present value at 10% and Intemal Rate of Return at PVF of 10 and 15%