The Following Set of Items Describes Activities Completed by a Company

The following set of items describes activities completed by a company in purchasing and paying for merchandise and in collecting cash for merchandise sales. For each activity, identify whether or not the activity adheres to or violates sound internal control procedures. (Choices may be used more than once.)
-All supporting documents attached to an invoice are cancelled when the cheque is signed.

A) adheres to sound internal controls
B) violates sound internal controls
C) neither strengthens nor violates internal control