please help me solve this for my ethics class

Which of the following is NOT an example of a systemic form of discrimination? Select one: a. Harassment in the workplace. b. Jim Crow era discrimination in the U.S. c. Institutionalized Indigenous invisibility in Canada. d. Bias against disabled individuals. What does the term "socially optimal outcome" refer to? Select one: a. The outcome that maximizes individual self-interest. b. The outcome that benefits only a select group of individuals. c. The result of collective action where everyone cooperates. d. The combined actions of all players in a game. What are the three distinct categories of accounts in the triple-bottom-line framework? Select one: a. People, products, and profits b. People, planet, and profit and loss c. Profit, pollution, and practices d. Public, private, and political