Betty Owned Stock in General Corporation That She Donated to a Church

Betty owned stock in General Corporation that she donated to a church (a qualified charitable organization) on July 28,2010.What is the amount of Betty's charitable contribution deduction assuming that she had purchased the stock for $13,400 on October 17,2009,and the stock had a value of $18,800 when she made the donation?

A) $5,400.
B) $13,400.
C) $16,100.
D) $18,800.
E) None of the above.