4. Paul Corp, is a mining company that is looking to take on a mining operation. The initial cost of setting up a new strip mine and its operations is $60,000. The company estimates that the mine produces $25,000 each year for the next three years. In year 4 , the corporation is obliged to restore the land it mined on, which will cost them $9,000. The required rate of return on this operation is 9.8% annually. a. Set up a timeline of cash flows for this operation. b. Calculate the net present value of this project. Does the NPV suggest this is a project worth taking? Explain. c. Calculate the payback period of this project. Should it take on this project if Paul Corp. has a 3 -year threshold for payback? Explain. d. Explain at least one major reason why the payback period is a flawed measure applied to the scenario at hand