Do you agree with the following question:

So, right now we have this companies:

Q5 food - 2 (Poland, Hungary)
Grain- 1 (Poland)
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Q1 weapons- 7 (Indonesia, Sweden, Israel, Greece, Brasil, Poland, USA)
Iron- 4 (Greece, Pakistan, Israel, Taiwan)
Q5 weapons- 3 (Israel, Sweden, Greece)
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Q5 gifts- 1 (lithuania)
Diamonds- 2 (USA, Bosnia)
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Q1 tickets- 1
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My plan is to:
-Upgrade 2x Q1 weapons to Q3 weapons
-Buy 1x Oil Q5 and 1x tickets Q5
-Sell 1x Diamonds Q5
-Sell 1x Weapons Q5 (not really sure)

Do you agree with this?

BTW: i'm selling bulk of products on setrade, it is quicker, although i have to spend some money on currency (0.01 currency for each unit of product), and this lowers profits a bit (not dramasticly, only too bad on Q1 weapons)