An Investment Banker Agrees to Underwrite an Issue of 5

An investment banker agrees to underwrite an issue of 5 million shares of stock for NetChoice, Inc. on a firm commitment basis. The investment banker pays $31.50 per share to NetChoice, Inc. for the 5 million shares of stock. It then sells those shares to the public for $30.00 per share.
-If the investment bank can sell the shares for $34 per share,what is the profit (loss) to the investment banker?

A) Profit of $12,500,000.
B) Profit of $10,000,000.
C) Profit of $7,000,000.
D) Loss of $7,500,000.