On Return of Investment, I have 4 questions, please help with answers and explanations.

1. ChemTech - Free Cash Flow 0 Chemtech is undertaking a project that will require an upfront investment today in net working capital, and plant and equipment (i.e. capital expenditures) of $100 million and $200 million, respectively. If there are no revenues or expenses expected till next year, what is the project's free cash flow in millions of dollars? 2. ChemTech - Free Cash Flow 1 Continuing from problem 1, at the end of the first year, Chemtech is expecting sales of &250 million and costs of $125 million. There are no more required investments in either net working capital or plant and equipment. However, the existing plant and equipment will experience $50 million of depreciation. Assume that Chemtech's marginal tax rate on earnings is 35%. Assuming that all of these cash flow occur at the end of the first year, what is the first year's free cash flow? 3. Jones - NPV Jones Corp is evaluating a project that has the following annual free cash flows: Period Free CASH Flow 0 -150 1 100 2 150 If the project's discount rate is 12%, then what is the NPV of the project? 4. Donald's - IRR Donald's Inc. is evaluating a project that has the following annual free cash flows: Period Free Cash Flow What is the project's IRR? 0 -175 1 200