Mr. Franklin wants to compute the value of the put option that corresponds to the call value calculated in the previous question. Which of the following is the closest to his answer?
a. $4.78
b. $5.55
c. $11.54

Ronald Franklin, CFA, is responsible for developing a new investment strategy for his firm. Given recent poor performance, the firm wants all of its equity portfolio managers to overlay options on all positions.

Mr. Franklin gained experience with basic option strategies at his previous job. As an exercise, he decides to review the fundamentals of option valuation using a simple example. Mr. Franklin recognizes that the behavior of an option€™s value is dependent on many variables and decides to spend some time closely analyzing this behavior, particularly in the context of the Black-Scholes option pricing model (and assuming continuous compounding). His analysis resulted in the information shown below:

Exhibit 1: Input for Option Pricing
Stock price ......................................................$100
Strike price .....................................................$100
Interest rate ......................................................7%
Dividend yield ...................................................0%
Time to maturity (years) .................................1.0
Standard deviation of stock .........................0.20

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Exhibit 2: Option Sensitivities Call Put Delta -0.3264 0.6736