Which nominal code numbers do I use? Accounting Software

I understand that this is going to sound like a silly question. But i'm really confused as to which nominal codes I should use when setting up nominal ledger accounts for the accounting software exam.
Is it as simple as 'Travel and Subsistence' should be given a nominal code beginning with 5*** 'direct expenses'?
How would I know which code to allocate bank charges to?
Is it as simple as 'Travel and Subsistence' should be given a nominal code beginning with 5*** 'direct expenses'?
How would I know which code to allocate bank charges to?
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Comments
There should be a nominal code for Bank charges, I think its in the '8000' range of codes or possibly the '7000' range.
Do you have any study text books which show you an example of which chart of accounts need to be created? - I used the Osborne Textbooks when studying the Foundation Level and found them very useful.
Completed AAT in March 2020
Currently Studying: CIMA 'Operational Level'