Answer:
c: fake an injury to get an extra timeout in a close game
Explanation:
a.) needs does not provide enough context, for example if it were a soccer game it would be ethical to steal a ball from another player
b and d explain themselves being part of the rules game
c.) is a lie, trying to hinder the game making it unfair for the parties involved and therefore isnt ethical
The approach to handling unethical behaviour ina company should be proactive, which means that steps should me taken before unethic situation happen. But if it happens, you should follow the established protocol to report unethical behaviour.