Enterprising oldies

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Across
  1. 4. The application of scientific knowledge for practical purposes
  2. 6. Duck in danish
  3. 7. Cunning intelligence
  4. 8. An innovative person, who have created somewhat of a business
  5. 9. The action or process of creating something new
Down
  1. 1. The exclusive position or control of a trading market
  2. 2. An income of a business
  3. 3. Slow in movement or inactive
  4. 5. Knowledge gained over time
  5. 10. The act of discrimination others, based on their age