1. What is "Transfer Pricing" and how could it be used to reduce worldwide tax obligations?
2. What are acceptable Transfer Pricing methods under US Tax Code?
3. Define and briefly explain "Discretionary Transfer Prices," "Negotiated Transfer Price," and "Goal Congruence."
4. Define and briefly explain "Comparable Uncontrolled Transaction," "Advance Pricing Agreement," and "Arm's Length Transaction.

Please be thorough.