Which one of the following situations will produce the highest put price, all else constant? Assume the options are all in-the-money.

Select one:

a. $30 stock price; 20 percent standard deviation

b. $30 stock price; 25 percent standard deviation

c. $35 stock price; 20 percent standard deviation

d. $35 stock price; 25 percent standard deviation

e. Insufficient information is provided to answer this question.