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13) DYI Construction Co. is considering a new inventory system that will cost $750,000. The system is expected to generate positive cash flows over the next four years in the amounts of $350,000 in year one, $325,000 in year two, $150,000 in year three, and $180,000 in year four. DYI's required rate of return is 8%. What is the internal rate of return of this project? A) 10.87% B) 11.57% C) 13.68% D) 15.13%