Calculate NPV: Evaluate the two options using NPV analysis and clearly identify which of the two alternatives results in a higher valuation for Rio Tinto. Include your opinion. Iron Ore price analysis: Describe in a short paragraph (less than half a page) your predictions on iron ore prices. Assume due to some event (maybe related to your predictions), the price of iron ore will decrease by 30% per annum during the lifetime of the project. Would this change your previous analysis? Describe