add me

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Across
  1. 3. 3500+1500
  2. 5. sum of 7000 and 5000
  3. 8. total of 1500 and 2000
  4. 9. put together 3500 and 4500
Down
  1. 1. sum of 75 and 300
  2. 2. add 9000+9000
  3. 4. smaller than 500
  4. 6. addition of 500+1500
  5. 7. sum of 7500+ 7500