The world of money

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Across
  1. 6. the person who works in a restaurant
  2. 7. the opposite # of the word "lend"
  3. 8. can you open the window.....?
  4. 10. you need it to withdraw money
  5. 11. the place where we save money
  6. 12. the person who helps the doctor
Down
  1. 1. In the past, people trade using the .... System
  2. 2. the past of the verb "go"
  3. 3. the past of the verb have
  4. 4. The winner of the world cup 2022
  5. 5. the name of your teacher
  6. 9. the past of the verb "give"