Statistical Inference — OC function and ASN of an SPRT

Consider a sequential probability ratio test for testing $H_0 : \mu = \mu_0$ against $H_1 : \mu = \mu_1$, where $\mu$ is the mean of normal distribution with variance unity. For this test, which of the following statements is/are correct? I. The OC function $L(\mu)$ may be obtained for a given $\mu$ using the relation $h(\mu) = \frac{\mu_1-\mu_0-2\mu}{\mu_1+\mu_0}$ in $L(\mu)$. II. If probabilities of errors $\alpha$ and $\beta$ involved in the test procedure are equal, then the average sample numbers under $H_0$ and $H_1$ are equal. Select the answer using the code given below: