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Practice
Match a problem brief
Northstar waives standard shipping when an order subtotal is at least $75. Match each problem-brief part to its content.
Northstar shipping brief
A useful algorithm starts with a complete problem contract
- Known policy
- Standard shipping normally costs $8
- Boundary
- Orders at least $75 qualify
- State change
- The shipping charge may be replaced
- Review need
- Check values around the exact threshold
Separate what enters the workflow, what must be produced, the rule that changes state, and the evidence required for approval.