Is There a Cap on What We Might Spend in Ukrane?

Sen. Rubio asked if there is any sort of cap a to in his perspective, to what we might spend in ukrane on this conflict and where do you see it? I think most, the vast majority of americans would this is an important cause, but putting a sort of price tag on it, as awful as that sounds, is an important thing to do,. Obviously, as it is a proxy war n another continent.