题目详情
单选题 The commission paid to an advertising agency is usually
A. 1%-5% of the cost of the ads
B. 10%-20% of the cost of the ads
C. 25%-30% of the cost of the ads
D. Over 50% of the cost of the ads
学科:默认课程
时间:2026-05-17 16:29:47
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