Which of the following statement is most correct? O a. Preferred stockholders have priority over bondholders Ob. Convertible bond gives bond issuer the right to convert the bond to equity on a predetermined date O c. Callable bond gives bond holders the right to retire the bond before the maturity Od. A stock's dividend yield can never exceed the expected growth rate Oe. Preferred stock holders have lower risk than common stockholders Given the following portfolio: Buy one call option on the stock XYZ with a strike price of $51.5 at a premium of $2. Sell two put options on the stock XYZ with a strike price of $56.8 at a premium of $1.5. Assume both option expire the same time. When the market price of the stock XYZ at expiration of all options is $54, the profit of the portfolio is $