Working as auditor for Banks

Is it permissible to audit bank accounts?  Is the ruling same for external and internal auditors?

Riba

Is the ruling for Riba for business & Trade different from the ruling for Riba for personal use? Is there a different for simple versus compound interest?

Part 1:

Part 2:

Extended Warranty

Taking out a warranty on possessions and properties is not permissible as it is a type of insurance.

However, warranty (standard or extended) taken at the time of and as a part of the initial purchase deal is permissible.