purchase price 成交价
例句：
The purchase price is five million and eight hundred thousand
dollars.
成交价是港币五百八十万元。
The purchase price figures out at about seven million dollars.
成交价合计为7000万USD左右。
concluded price 成交价格
例句：
To have this business concluded, you need to lower your price at
least by 3%.
为达成这笔买卖，你方应至少减价3%。
once the price had been agreed, a deal was quickly concluded.
价格一经商定，买卖非常快就达成了。
knocked down price
例句：
If was the last one they had and they sold it me at a knockdown
price.
这是他们手中的最后一个，他们以底价卖给了我。
