winner bid's final price# ebiz - 电子商务
G*G
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suppose winner's bid is $100
the bid in second place is $90
which should the winner pay to buy the item?
1)$100
2)$90
3)$90.5
the bid in second place is $90
which should the winner pay to buy the item?
1)$100
2)$90
3)$90.5
