Suppose that a stock price has an expected return of 16% per annum and a volatility of 30% per annum. When the stock price at the end of a certain day is $50, calculate the following: (a) The expected stock price at the end of the next day (b) The standard deviation of the stock price at the end of the next day (c) The 95% confidence limits for the stock price at the end of the next day.