What evidence would offer proof for the different theories about the origin of the indo-aryans

How do i use this to get the right answer

About 300 billion dollars in taxes is lost in the united states alone due to an underground economy, which involves paying individuals cash rather than having them on the official payroll. a. true b. false

Halle is a calculating, self-centered salesperson. she never engages in relationship marketing. she looks on any sales situation as a "win-lose" situation, and she believes any legal method she can use is justified when she wins. hallie is most likely at the stage of ethical development.