Which of the Following Types of Employee Misconduct Is Most

Which of the following types of employee misconduct is most likely to warrant discharge on the first incident?

A) Sam gets caught in a drunken driving case on a Saturday night while coming back from a party.
B) Ron uses his office e-mail to communicate with his friends.
C) Jack damages a glass cutting machine at the work place to inconvenience his colleague who uses it.
D) Samantha participates in lunch-hour poker.