Need help finding MLE

2. (1 point) Let X1, ...,X,.1 be an i.i.d. sample om a Normal distribution N01, 1). Suppose n = 6, and we have 6 observations as follows: 2.7, 1.4, 0.84, 4.45, 3.18, 4.54. Based on the above six observations, please fmd the maximum likelihood estimator of the population mean u. A. 2.85 B. 3.42 C. 2.94 D. 1.98