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4. Find the equity cash flows for the following data: Initial expenditure: $600000 Gross savings; 5300000 per year for 10 years Annual costs: 5 110000 per year Depreciation method: Straight line depreciation with salvage value of 0 for a life of 10 years Tax rate: 40% (without ITC) MARR : 20% for equity cash flow Debt ratio: 40% Cost of debt: 12% Debt obligation: Payback in ten equal Installments of principal with interest payments assessed on the unpaid balance