A 30-year-old man presents 4 hours after ingesting 30 g of immediate-release acetaminophen in a suicide attempt. He has no symptoms and normal vital signs. According to standard toxicology practice, what is the most appropriate next step?AObtain a serum acetaminophen level at least 4 hours post-ingestion and use the Rumack-Matthew nomogram to guide N-acetylcysteine therapyBReassure him and discharge because he is asymptomaticCGive activated charcoal only and no further evaluationDStart N-acetylcysteine only if he develops jaundiceEWait 24 hours and then check liver function tests onlyCheck my answer