Classify the following controls as being primarily preventive or detective controls. Annual physical inventory. Detective control. Monthly reconciliation of bank accounts. Detective control. Segregation of duties over purchasing Preventive control. Background checks conducted by human resources. [Choose] Dual signatures for checks issued. Preventive control. Management review of A/R bad debt write-offs. Detective control. Internal audits of payroll. Detective control. Tagging and tracking of IT equipment [Choose] [Choose] Company requirement for quarterly employee password changes for system access. Management review of budget variances. (Choose Nadattatharladat