The EU budget fees in, support out, for example farm subsidies

What The EU budget is the EU's common purse, into which the member states pay fees and out of which support is paid, for example farm subsidies.

Who Decided by the politicians in the member states' governments and the European Parliament, on a proposal from the Commission.

How You make a difference indirectly via the European Parliament election and the general election (to the Riksdag), and you can take part in support that the EU finances in Sweden.