There were some mistakes that caused my answers to show wrong all the time, causing me to give up. my id is junhangsu,the course is bus201s, and this is chapter 15 question 18
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Hi junhang Su,
Thank you for posting in our support community. I sincerely apologize that you are having this issue. I have created a case on your behalf with our tech support team who will investigate this further. They should reach out to you within about four hours.
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