A Large Software Development Firm Recently Relocated Its Facilities $16.6$ Hours and a Standard Deviation Of

A large software development firm recently relocated its facilities. Top management is interested in fostering good relations with their new local community and has encouraged their professional employees to engage in local service activities. They believe that the firm's professionals volunteer an average of more than 15 hours per month. If this is not the case, they will institute an incentive program to increase community involvement. A random sample of 24 professionals yields a mean of $16.6$ hours and a standard deviation of $2.22$ hours. The $P$ -value associated with the resulting test statistic is $0.0009$ . At $\alpha = 0.05$ , which of the following is the correct conclusion?
I. We reject the null hypothesis.
II. We fail to reject the null hypothesis.
III. The firm shouldn't need to institute an incentive program because the evidence indicates that professional employees volunteer an average of more than 15 hours per month in their local community.

A) I only
B) Both II and III
C) Both I and III
D) III only
E) II only