JupiterX (JX) went public and used the Dutch auction to set the offer price for 30 million shares. The following table gives the bidding. The stock traded at $100 at the end of trading on the first day. What is the percent underpricing?

Bidder	Price ($)	Number of Shares (millions)
B1	110	5
B2	90	10
B3	80	20
B4	75	30

A. 20.0%

B. 25.0 %

C. 33.3%

D. 67.7%