Zebra Stripes Would Like to Sell 400 Shares of Stock

Zebra Stripes would like to sell 400 shares of stock using the Dutch auction method.The bids received were Bidder A,200 shares at $28; Bidder B,300 shares at $27; Bidder C,500 shares at $26; and Bidder D,400 shares at $25.How much will Bidder B have to pay to purchase her allocated shares?

A) $8,100
B) $7,610
C) $6,480
D) $7,240
E) $6,730