1. A mineral deposit estimated to contain 1,585,000 tonnes of ore has been delineated by Lee Mining Company. The Company has made an investment of $163,500,000 to recover the ore for a selling price of $401 per tonne. The Company has a minimum required rate of return of 21% on capital projects, an effective tax rate of 32%, and a depletion allowance of 11% of annual revenues. The ore is expected to be produced and sold at a rate of 291,000 tonnes per year and the operating expenses exclusive of depletion expenses are $49,000,000 per year. The Company uses the straight line depreciation method. Complete the following Table. Plot a graph of the internal rate of return (IRR) vs operating costs. Discuss your results. (14 points)

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Sensitivity of Rate of Retum (IRR) to Operating Costs for a Mining Project Operating Var. From Exp Rate of Return Costs Value (%) (%) ($000,000) -40 -20 0 49.00 20 40 Sensitivity of Rate of Retum (IRR) to Operating Costs for a Mining Project Operating Var. From Exp Rate of Return Costs Value (%) (%) ($000,000) -40 -20 0 49.00 20 40