Any dollar a vendor will accept is perfect enough.
If I charge you fifty cents for that Mandarin orange with the math on it, and you give me a dollar, you are going to expect fifty cents change! Or perhaps I can keep the change myself, since your dollar is less than perfect?
"Any dollar a vendor will accept is perfect enough."
What is a dollar?
Not kidding.
What is the definition of a dollar?
Have you ever seen a dollar?
BoyntonStu