economics

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Across
  1. 4. an expense that changes depending on how much a business produces
  2. 6. the additional income from each increase of sale
  3. 7. the money a business receives from selling its goods or services
  4. 9. the (negative) cost of choosing to do one thing instead the other.
Down
  1. 1. model that compares marginal costs and marginal benefits
  2. 2. additional opportunity cost from each increase of sales
  3. 3. an expense that does not change
  4. 5. giving up one alternative good or service for another.
  5. 8. fixed and variable costs