If the vega of a put option is 5.1, an decrease in volatility from 34 to 33%

A.decreases the value of the option by about 0.051.

B.increases the value of the option by about 5.1.

C.decreases the value of the option by about 5.1.

D.increases the value of the option by about 0.051.

In a shout put option the strike price is $30. The holder shouts when the asset price is $25. What is the payoff from the option if the final asset price is $26?

A.$5

B.$4

C.$1

D.$0

Consider an Asian stock option which has a life of nine months. Over the nine months the average stock price is $32, and the stock price at the end of nine months is $36. What is the payoff of this average strike call?

A.$1

B.$0

C.$4

D.$3