Economics crosswoard puzzle

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Across
  1. 1. Extra left over
  2. 4. The human contribution to production
  3. 7. a desire for goods and services
  4. 8. maximaztion maximising profit
  5. 9. The amount of money a firm receives from selling goods
  6. 11. the quantity of goods and services consumers are willing to buy at a given price
  7. 12. tangible
Down
  1. 2. man made equipment that is developed to aid the production of other goods and services.
  2. 3. intangible
  3. 5. The person(s) who has the initial business idea, raises the money and organises the other factors of production.
  4. 6. A person/company/country that supplies goods and services
  5. 10. All natural resources used in production