money

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Across
  1. 2. Make something easier to understand
  2. 5. An event or something that happened
  3. 6. To change or alter something later
  4. 7. A duty or responsibility, you must do it
Down
  1. 1. Add taxes or charges
  2. 2. A rule in a contract or agreement
  3. 3. A mathematical rule
  4. 4. One deal (buying and selling)