Assume That John Henry Died on July 1, 2012 and That

Assume that John Henry died on July 1, 2012 and that sales of Video Corporation stock that he owned occurred four trading days before his death and two trading days after his death. Also, assume that the mean sales prices were $20 and $15, respectively, and that Mr. Henry owned 1,000 shares at date of death. What is the per share value of John Henry's stock on his date of death?

A) $16.67
B) $18.33
C) $20.00
D) $15.00