$.$ Three years ago, Knox Glass purchased a machine for a $3-$year project. The machine is being depreciated straight$-$line to zero over a $5-$year period. Today, the project ended and the machine was sold. Which one of the following correctly defines the aftertax salvage value of that machine? $($T represents the relevant tax rate$)$

A$.$ Sale price $+($Sales price $-$ Book value$)$ T

B$.$ Sale price $+($Sales price $-$ Book value$)(1-$ T$)$

C$.$ Sale price $+($Book value $-$ Sale price$)$ T

D$.$ Sale price $+($Book value $-$ Sale price$)(1-$ T$)$

E$.$ Sale price $(1-$ T$)$