AP Invoice Approval

[niletra]

Hi

In AME i want following condition , If the amount limit is 0 - 99999 then Invoice should be go to Office , Sr Officer and Account Office , but if anyone of them approve the Invoice status should be change to ' Approved '

it is not required invoice should be go to all three approver , If one of them can be approve than ap invoice should be approved

I want to know to full fill this requirement , i have to customize the workflow or with Nested Group functionality i can full fill the requirment

Thanks
Niletra