I've a couple of questions regarding visa for plab 2

I’ve a couple of questions regarding visa for plab 2.

1.If we have more than one accounts then do we have to mention and show all of them in visa application or any one of those accounts ?

2.One of my accounts is business account but that’s operated and maintained by my father.Currently there’s insufficient balance in that account for a couple of months to finance my trip but cash keeps flowing in and out in large amounts.Can i transfer money in that account now (weeks before applying for visa ) and use that account to “self finance” my trip OR should i use my father’s personal business account to finance my trip and show my father as a sponsor.

3.If am a taxpayer and file my tax returns regularly but i choose my father as a sponsor , do i have to attach tax returns of just my father or should i attach my own tax returns as well ?
I need help.Thanks in advance