Describe key functions that both the executive officer and S-8 can perform to keep a commander out of financial trouble. A. Perform accountability reports; manage resources effectively; maintain supply discipline; avoid unauthorized commitments. B. Perform monthly budget meetings; review submitted training contracts; implement internal auditing program; maintain supply discipline. C. Approve Government Purchase Card (GPC) purchases; certify supply sergeants and S4's; minimize commercial off the shelf purchases; perform accountability reports