Let $\bar{z}$ denote the conjugate of $z$. For the complex number $z = 2 + i$,
$$\frac{z}{\bar{z}-1}$$
Which of the following is this expression equal to?
A) $\frac{1}{2} + \frac{3}{2}i$\\
B) $\frac{2}{3} - \frac{3}{2}i$\\
C) $1 + 3i$\\
D) $2 - 3i$\\
E) $3 + i$