Rate and Speed Crossword

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Across
  1. 2. a measurement of the speed, amount, or price of something compared to another quantity or unit of time
  2. 4. a mandatory fee charged by the government, calculated as a percentage of the price of an item or a person's income
  3. 5. the speed of an object in a specific direction
Down
  1. 1. a charge for a professional service
  2. 2. a math tool that compares two or more numbers or quantities
  3. 3. how often something happens
  4. 6. the rhythm of an action or event