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Your firm is considering whether or not to accept the Ebolo project. Here are the project's estimated cash flows: a. Calculate the payback period for this project. b. If the interest rate is 8%, calculate the discounted payback period for this project. c. Calculate the internal rate of return for this project. d. If the interest rate is 8%, what is the NPV of this project? e. Construct the NPV profile for this project. f. Evaluate this project. Should your firm accept the Ebolo project