Originala teksto - Angla - You will open two accounts at the union de...

This conversation is from Munich(film).
Speakers talk in british-english because its scene is Israel where british-english is spoken.
Comparing in portuguese,british-english is compared as europian portuguse,so i asekd europian portuguse translation.

I have a question about grammer of this text.
I cannot understand the part When you get what accumulates. What will accumulate?
What means his salary in this context?


P.S.
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