Mobile Units recently offered 30,000 new shares of stock for sale. The underwriters sold a total of 32,000 shares to the public at a price of $14.50 a share. The additional 2,000 shares were purchased in accordance with which one of the following?
A. Red herring provision.
B. Quiet provision.
C. Lockup agreement.
D. Post-issue agreement.
E. Green shoe provision.