show all work please. include formulas that you used!

As the new CEO of Pemrose Corp (Carlton Whitfield), you are announcing a bold new expansion plan. This entails building a new factory. The initial cost is $500 million, it will last 8 years and is depreciated straight-line to a book value of O. Salvage value of the factory at t-8 is $100 million. Annual sales and costs will be $300 million and $200 million respectively (in all 8 years). Inventories will rise immediately by $15 million and A/P will rise immediately by $30 million. A/R will rise at the end of the first year by $20 million (t 1). All working capital components return to original values at the end of the project's life. WACC = 10% and = 30%. What is the NPV