Assume the price St of ZM at time t satisfies the log-normal model with volatility 16% and expected rate of return 10%. The spot price is $40. The risk-free rate is 5%. Portfolio Y has the following payoff in 2 years: the payoff is $50 if the price of IBM in 2 years is less than $30 and, the payoff is $25 if the price of IBM is 2 years is more than $30. Compute today's price of Portfolio Y.

Marcus nurseries inc.'s 2005 balance sheet showed total common equity of $2,050,000, which included $1,750,000 of retained earnings. the company had 100,000 shares of stock outstanding which sold at a price of $57.25 per share. if the firm had net income of $250,000 in 2006 and paid out $100,000 as dividends, what would its book value per share be at the end of 2006, assuming that it neither issued nor retired any common stock?