What is the implied precision of 197.6722 ​pounds?

What is the implied precision of 197.6722 ​pounds?
A.
The number is precise to the nearest​ ten-thousandth of a pound.
B.
The number is precise to the nearest hundred pounds.
C.
The number is precise to the nearest​ hundred-thousandth of a pound.
D.
The number is precise to the nearest pound.