Can you please explain how to work from the price 1 and price 2 to get the current price, extraction costs, production, abandon amount, and discount rate?

Current Price Period 1 Net Rev Period 2 Net Rev Period 0 E(NPV) E(NPV) of Best Options Extraction Cost Sel Production Abandon UP Discount Rate + Store= DOWN UP Abandon Sell UP Store DOWN DOWN Abandon Expected NPV Prob Price 1 Prob Price 2 50% 50 60% BO 40% 20 50% 30 60% 70 40% 10