Garys Great Cars purchases high-performance auto parts from a Nebraska vendor. Dave Simon, the accountant for Garys,

Question:

Gary’s Great Cars purchases high-performance auto parts from a Nebraska vendor. Dave Simon, the accountant for Gary’s, verifies receipt of merchandise and then prepares, signs, and mails the check to the vendor.
Requirements
1. Identify the internal control weakness over cash payments.
2. What could you do to correct the weakness?