Help with World Trade please! (White Giant)

I'm new to the game (though I did play for a while about 4 years ago).
Yesterday, I told my enterprise to buy some oil on the world market at a fixed price.
It has bought the oil, but it seems to have cost nearly 3 times as much as I expected!
The quality is about 290, so I'm guessing that's why...
If so, what's the poınt in having the fixed price option?
I didn't want to pay for high quality - I just wanted to buy a certain amount of oil at a certain price!

If I set the quality to 100, will that prevent the system from giving me higher quality oil? Or does that just set a minimum quality level?

Can anyone tell me please how to buy 1000000 tons of oil on the open market at $330 and pay just $330,000,000?!

Thanks in advance...

p.s. Is there any way of finding out exactly what you actually *have* paid/received for something?? There are links for 'Review Recent Sales/Purchases' but they don't seem to do anything...

I know what happened. In fixed price every time you order you order you pay 10% of what you paid extra for every game month you haven't received it.

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Can anyone tell me please how to buy 1000000 tons of oil on the open market at $330 and pay just $330,000,000?!<!-/Quote-!>

You have to set quality at 100. You have to factor quality in price.

You pay according to: Quantity * Price * Quality / 100

So, if you buy 1 000 000 units of oil at a fixed price of $330/unit, but at a quality of 200, you will pay in total $660 000 000.

I heard BP have a few million barrels going for free

If you can figure out how to get it safely out of the Gulf of Mexico

If someone sets fire on to that, we'll probably get something like this:

http://www.youtube.com/watch?v=KGHxVW1NbrQ

http://en.wikipedia.org/wiki/Derweze#The "Door to Hell"

Or not, but it would last for awhile and it wouldn't solve anything.