Melonie Purchased 100 Shares of Wake Corporation Stock for $6

Melonie purchased 100 shares of Wake Corporation stock for $6 per share on August 3,2011.On December 18,2012,Melonie sells all 100 shares for $4 per share.On January 5,2013,Melonie purchases 50 shares of Wake stock for $5 per share.What is the basis of the 50 shares Melonie holds on January 5,2013?

A) - 0 -
B) $ 50
C) $250
D) $450
E) $650