Food Delivery Services (FDS) share price is worth $18 today. In a year, the market for meal prep delivery could expand and FDS could gain market share leading to a price of $25 per share with probability of 30%. The market could expand leading to a price of $20 per share with this being the most likely at a probability of 45%. The market could not have the expected uptake leading to a price of $16 with a probability associated with this state of 25%. No dividends are expected.

What is the expected return of this stock and what is the volatility of the stock's return?