What are the minimum requirements for temporary guardrail system strength, in any outward or downward direction? A. A. Top-rails 200 pounds and Mid-rail 150 pounds B. B. Top-rails 150 pounds and Mid-rail 200 pounds C. C. 150-pound force is applied at the bottom edge of the top-rail D. D. 200-pound force is applied at the bottom edge of the top-rail