please solve for part A, B and C. i dont understand them at all. asap please!! thank you

Canadian electrics expects to earn $100 million per year in perpetuity if it does not undertake any new projects. The firm has an opportunity that requires an investment of $15 million today and another $5 million in 1 year. The new investment will begin to generate $10 million per year in additional earnings two years from today in perpetuity (treat that the $10 million will occur at the end of year 2). The company has 10 million shares of common stock outstanding and the required return on this stock is 15% a) what is the price of the stock if the firm does not undertake the investment ( 3 marks) b) what is the value of the growth opportunity resulting from new project (4 marks) c) what is the price of the stock if the firm undertakes the new project ( 3 marks)