Answer:
The answer is a Decrease the acceptable level of detection risk
Step-by-step explanation:
An auditor may reduce substantive testing by relying on the assessments of inherent risk and control risk.
A low detection risk is a risk that the auditor fail or will fail to catch a material misstatement that is not caught by the client's internal controls. When the risk of material misstatement is high, the auditor should set the detection risk to a low level to ensure that audit risk remains low.