Listening Quiz: Thuyết Trình Phân Tích Chi Phí Thu Hút Khách Hàng – Advanced Level

1. How many marketing channels did Michael analyze?
2. Which marketing channel has the lowest cost per customer?
3. Why is paid search so costly?
4. What can be inferred about Laura’s view of email marketing and referrals?
5. What is the main topic of the conversation?

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