Which of the following is an example of an ethical dilemma?

a. Clara fires half of her employees so as to decrease the cost of inputs of her company.

b. Vince, a government employee, knows that he should not accept bribes, but is tempted to take the money to save a sick kid.

c. Wanda, an employee at a real estate firm, files a sexual harassment case against her manger despite his repeated apologies.

d. Martha, who had filed in her personal details that she was an American, is hired as a receptionist despite some of her co-workers apprehension about her racial identity.