"I need a journal entry"
No, no, no you don't. You need daily sales receipts for items and taxes , etc and deduct the fees for net deposit either on the sales receipt or better in the actual deposit since you will be off if you just try to take the percent off of gross and forget the transaction fees.
If you are using the square program for restaurants (You I fixated tips) then if you sync it with QB rather than just the deposits in bank I g then the sales, taxes, tips, should all sync over to QB
And turn off the auto deposit recording. You need to review them before accepting, really
