For a causal discrete-time LTI system with transfer function
\[
H(z)=\frac{2 z^{2}+3}{\left(z+\frac{1}{3}\right)\left(z-\frac{1}{3}\right)}
\]
which of the following statements is/are true?
- The system is stable.
- The system is a minimum phase system.
- The initial value of the impulse response is $2$.
- The final value of the impulse response is $0$.