Grocery Express Stock Is Selling for $22 a Share

Multiple Choice

Grocery Express stock is selling for $22 a share. A three-month, $20 call on this stock is priced at $2.85. Risk-free assets are currently returning .2 percent per month. What is the price of a three-month put on Grocery Express stock with a strike price of $20?

A) $.37
B) $.73
C) $.87
D) $1.10
E) $1.18