Please answer this Chemical Engineering Thermodynamics question.

Given the equation of state $P(\frac{V}{n}-b)=RT$ and the following relations

$(\frac{U}{V}{)}_T=T(\frac{P}{T}{)}_V-P$

$(\frac{H}{P}{)}_T=-T(\frac{V}{T}{)}_P+V$

$($a$)$ evaluate $(\frac{P}{T}{)}_V,(\frac{V}{T}{)}_P,(\frac{U}{V}{)}_T,$ and $(\frac{H}{P}{)}_T$

$($b$)$ evaluate $U$ and $H$ for an isothermal process from $P_1,V_1$ to $P_2,V_2$