Use the Information for the Question(s)below

Multiple Choice

Use the information for the question(s) below.
The current price of KD Industries stock is $20.In the next year the stock price will either go up by 20% or go down by 20%.KD pays no dividends.The one-year risk-free rate is 5% and will remain constant.
-Using the binomial pricing model,the calculated beta of a one-year put option on KD stock with a strike price of $20 is closest to:

A) -7.7.
B) 2.4.
C) 4.6.
D) -1.8.