The bids and bidders in a Dutch auction to sell 20,000 shares are as follows:

Bidder	Number of Shares	Price (USD)
A	3,000	80
B	2,000	73
C	5,000	90
D	6,000	85
E	9,000	70
F	4,000	84
G	8,000	86

At what price are the shares sold?