If you have underdeclared your sales you increase Box 1, if you overdeclared you decrease it. If you have underdeclared your purchases you increase Box 4, if you overdeclared you decrease it.
Hth.
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Jenny
Responses are my opinion based on the information provided. All information should be thoroughly checked before being relied on.
My friend was given a practice exam and underneath it said there was an underdeclaration of so much vat. It didn't say whether this had anything to do with sales or purchases. She rang her tutor who said exactly what you have said. But didn't explain how she would know it is sales or purchases and became quite annoyed that my friend wasn't understanding what she was saying.
She is unsure if the tutor has made a mistake on the exam paper and not given enough information or whether she is to work out somehow whether it is to do with sales or purchases. If it is the latter how would you figure this out?
Many thanks for your help! I don't usually like posting exam questions but my friends exam is within the next hour and a half and she's quite panicky about it.
If I was in that position, which I would think quite unlikely in a work environment, then I would just adjust Box 4. If there isn't enough info then there isn't really another option.
__________________
Jenny
Responses are my opinion based on the information provided. All information should be thoroughly checked before being relied on.