Question on strengthening icebreakers and breaking subroutines

By paddy_w, in Android: Netrunner Rules Questions

Hi,

I want to verify that I correctly understand rules on strengthening icebreakers - if the rule on a icebreaker card allows for its strengthening - it can be done by paying the necessary price. So if card has "pay 2 coins to increase strength by 1" - by paying four I increase its strenght by 2 and so forh?

Does the same logic apply to breaking subroutines - if there ia "pay 1 coin to break subroutine" can I pay 2 coin to break two routines, or is the card limited to breaking only a single routine?

If it was asked already I apologize couldn't find it through search.

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