Simplify the Expression $( 8 z + 3 ) - ( 4 z - 2 )$

Simplify the expression. If the expression cannot be simplified, so state.
- $( 8 z + 3 ) - ( 4 z - 2 )$

A) $4 z + 5$
B) $4 z - 5$
C) $12 z + 5$
D) $4 z + 1$