Is it possible to refund money from paid app within 1 day?

My sales money is reduced and I don't know why. That money is come from paid app. I haven't got any email from apple.


Is it possible, user get refund from paid app?


Anyone can explain it. Your help will be appreciated.


I've attached a screenshot to illustrate the scenario - https://drive.google.com/file/d/1gz--pZAqkdL64p3FtOH9gosrroZpmDst/view

Is it possible to refund money from paid app within 1 day?
 
 
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