The end justifies the means.

Do unto others as you would have them do unto you.

The greatest good for the greatest number.

The end does not justify the means.

Working at the theatre and allowing a friend to enter without a ticket.

Removing a faulty product from the marketplace.

Prompt payment of an account payable.

All of the options listed are ethical.

act confidently.

act in the public interest.

act competently.

act with integrity.