Answer:a. Responsibility
b. Respect
c. Fairnessd. Honesty, these are all values mentioned under PMI
Explanation:Ethics at work is about fowling decision making process that would consider people, resources and environment and these four values will drive a project management profession.
Responsibility - This means the project manager must take full ownership of their decisions and consequences of those decisions and actions fro example they can not decided and blame the team members if anything goes wrong.
Respect means a project manager needs to treat their people with respect and also respect the resources that have been left in tgeir care , they can't just use the money anyhow they want it has to be for reasonable and logical work related use.
Fairness a project manager can not make subjective decisions without considering the people they work with they can't push project that are only driven by self interest.
Honesty They can't act untruthful in term of how they communicate information or conduvt themselves within the company and amongst the people they lead because this may lead to confusion and improper working environment.