Which of the Following Is an Example of an Unethical

Which of the following is an example of an unethical business activity?

A) The employee reports his employer for making several illegal deductions from his pay.
B) The employee unknowingly gives out incorrect information.
C) The sales representative allows the customer to believe that his purchase would be delivered on time, as he believed this to be true himself.
D) The employee uses a company computer to check his results in an online betting transaction.