I want to ask about internal auditing:fraud?

I've been given a case study ignment which sounds like this; a bank officer charges certain customer 1% fee on commercial loans.It was paid by check.The fee was shown on cust. loan doc but not on the bank copy loan doc.Then he took the cust check to a teller & state that the cust wanted a check 4 the same amount made payable 2 a certain firm.Then he deposited the check into an a/c 4 a fake firm at another bank.Then he transfer back the money 2 his personal a/c at his employer bank.-Quest:1)Identify 4 elements of legal definition of fraud2)Describe the aspects of fraud present in this case3)Describe 3 factors that allowed this fraud to occur4)Identify 2 audit procedures that would have disclosed this fraud, p/s:somebody please email me the full set answer at tehsaleha82@yahoo.com. I need it URGENT!