Any sufficiently modern and advanced country should be able to run its government entirely on basic algorithms. Need more money to pay the bill, raise taxes, want a larger army determine what to do. And still be able to offer all citizens a good life, and in fact the life they want to live.
Normal people have no idea what 1% or 10% means when you get to numbers that are in the millions, or billions. And yet that is how we always talk about these things.