613
It's Greek to me
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They actually have a trade surplus with Australia but we still ended up with 10% tariffs. So there's an absolute value missing from the formula. Or they simply didn't know what the "hyphen" on the calculator meant.
It's minimum 10%, except for russia
Maximum( (exports-imports)/imports, 0.1)
Unless you are Russia.
If(country=Russia; 0, Maximum( (exports-imports)/imports, 0.1))