Three central problems of economy

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Across
  1. 2. additional
  2. 5. Primary wants
  3. 8. large
  4. 9. Unlimited_____
  5. 10. Lionel Robbins
  6. 11. small
Down
  1. 1. Adding to more capital
  2. 3. Land,labour,Capital,entrepreneur
  3. 4. Limited_______
  4. 6. Father of economics
  5. 7. Satisfaction