I am having trouble with control activities and their specifics for this question.

Required: Match the following internal controls with the categories of control activities. Internal Controls Control Activities a. Separate handling cash (receipt and deposit) functions from record-keeping functions (recording transactions in the accounts receivable subsidiary ledger). Access control b. Require purchases, payroll, and cash disbursements to be authorized by a designated person. Access control C. Require accounting department employees to take vacations. Access control d. Separate purchasing functions from payables functions. Access control e. Ensure that the same person isn't authorized to write and sign a check. Accounting documents and records f. When opening mail, endorse or stamp checks "For Deposit Only". g. Periodically reconcile the incoming check log against deposits. Authorization h. Require supervisors to approve employees' time sheets before payroll is prepared. Independent verification List customer checks on a log before turning them over to the person responsible for depositing receipts. Segregation of duties Supervision