Match the following: 1. cost  2. benefit   3. interest   4. money 5. complements  6. substitutes  7. regulations  8. national debt  total amount that the government owesrules that govern behavior  something given up as the result of a decision  goods that go together, like peanut butter and jelly  something gained from a decision  currency, coins, and checking account deposits  goods that can replace each other, like mittens and gloves  price  of money saved or borrowed