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5. A firm is considering the proposal of buying a machine with installation cost of 5,00,000. The machine will have a useful life of 4 years after which it can be sold for 70,000. Depreciation is to be charged under straight line method. Additional working capital of 50,000 will be introduced. Profits before depreciation and tax are expected to be * 1,72,000, * 1,98,000. * 2,18,000 and 1,80,000 in those four years. If applicable tax rate is 30%, calculate ARR of the project. 10