Pennington Company has the following internal control procedures over cash disbursements. Identify the internal control principle that is applicable to each procedure. (a) Company checks are prenumbered. (b) The bank statement is reconciled monthly by an internal auditor. Physical Controls Establishment of Responsibility Human Resource Controls Segregation of Duties Documentation Procedures Independent Internal Verification (c) Blank checks are stored in a safe in the treasurer's office. (d) Only the treasurer or assistant treasurer may sign checks. (e) Check-signers are not allowed to record cash disbursement transactions.