Which of the following statements is false regarding the nature, timing, and extent of risk responses? a. the nature of risk response refers to the types of audit procedures applied given the nature of the account balance and the most relevant assertions regarding that account balance. b. the timing of risk response refers to when audit procedures are conducted and whether those procedures are conducted at announced or predictable times. c. when the risk of material misstatement is low, the auditor conducts the audit procedures closer to year end, on an unannounced basis, and includes some element of unpredictability in the timing of procedures. d. the extent of risk response refers to the sufficiency of evidence that is necessary given the client's assessed risks, materiality, and the acceptable level of audit risk