Inherent Risk
The susceptibility of an assertion to material misstatement before considering any related controls.
AUD loves to test inherent risk by giving you a scenario and asking which account or assertion carries higher susceptibility. The “tell” is anything complex, subjective, uncertain, or non-routine — fair-value estimates, related-party transactions, year-end pressure (management bias), or liquid, easily-misappropriated assets. SAS 145 made this a separate assessment at the assertion level, plotted on a “spectrum of inherent risk” that combines the likelihood and magnitude of misstatement, so the higher answer is the assertion sitting near the top of both.
The classic trap is conflating risks the auditor only assesses with the one it controls. Inherent risk and control risk are entity-driven and exist regardless of the audit; together they form the risk of material misstatement (IR × CR). The auditor can’t change them — it adjusts only detection risk in the audit risk model to hit acceptably low audit risk. Watch the wording: inherent risk is judged “before considering controls,” while control risk asks whether controls would catch the error. Memory hook: inherent = innate.
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