An Auditor should obtain sufficient appropriate audit evidence to be able to draw reasonable conclusion on which to base the audit opinion. In gathering such evidence, Auditor should exercise Professional Skepticism, defined in ISA 200. Required: i. What is professional Skepticism? ii. At what stage of the audit is professional skepticism necessary? iii. What effect will exercising professional Skepticism have on the following 1. Obtaining Sufficient Audit Evidence 2. Obtaining Appropriate Audit Evidence iv. What can a firm do to enhance awareness of professional Skepticism to help obtain sufficient appropriate audit evidence?