Due to the similar-to-me effect and stereotyping, mixed-race mentor-protégé relationships are rare

Government seeks to regulate ______________ in securities to prevent abuses of investors.

Fill in the blank(s) with the appropriate word(s).

Which of the following is an example of a service that involves discrete transactions within a membership context?

a. Repair under warranty b. Insurance c. Radio station d. Car rental e. Pay phone