Listening Quiz: Trình Bày Phân Tích Hiệu Quả Chi Phí – Easy Level

1. What is Sarah mainly presenting to the group?
2. How much money can the group save each year?
3. According to Sarah, what does the programme use?
4. What can be inferred about the programme from Sarah’s response to William’s concern about risks?
5. Why does William ask, “What about the risks or downsides?”

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