Nicola is the new CEO of a social enterprise focused on reducing homelessness in Brisbane. She is aware that the previous CEO was fired by the board after engaging in bullying of employees, and morale is low. Internal surveys have revealed that many people are unhappy and are planning to look for work elsewhere. Which of the following action(s) should Nicola take to build a new, more positive organisational culture? a. Use strategies to reduce stress and promote well-being among staff b. Acknowledge and reward individual talents c. Encourage open communication, especially of upcoming changes d. All of the above