What Should Be the Internal Dimensions Shown for an Extruded $1.925$

Multiple Choice

What should be the internal dimensions shown for an extruded tube having an outside diameter of $1.925$ in. and a wall thickness of $0.047$ in.?

A) 1.831 in.
B) 2.954 in.
C) 0.257 in.
D) 0.153 in.
E) 3.176 in.