If internal control is properly designed, the same employee should not be permitted to
  A. Prepare disbursement vouchers and sign checks.
  B. Initiate a request to order merchandise and approve merchandise received.
  C. Sign checks and cancel supporting documents.
  D. Receive merchandise and prepare a receiving report.
  Answer:A
  A is corrent because the preparation of disbursement vouchers and signing of checks places an individual in a position in which s/he can both prepare erroneous vouchers and then pay them.
  B is incorrect because the person requesting the merchandise will be able to determine whether the appropriate merchandise has been received and should, therefore, approve its receipt.
  C is incorrect because the person signing the checks should cancel supporting documents to avoid duplicate payment.
  D is incorrect because the individual receiving the merchandise should prepare a receiving report so as to establish control over the goods.