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11. You buy a new piece of equipment for $16,230, and you receive a cash inflow of $2,500 per year for 12 years. What is the internal rate of return? 12. King's Department Store is contemplating the purchase of a new machine at a cost of $22,802. The machine will provide $3,500 per year in cash flow for nine years. King's has a cost of capital of 10 percent. Using the internal rate of return method, evaluate this project and indicate whether it should be undertaken