A 28-year-old man presents after ingesting 15 g of paracetamol 3 hours ago in a suicide attempt. He weighs 75 kg and is currently asymptomatic. According to Australian paracetamol toxicity guidelines, what is the most appropriate next step?AReassure as dose is not toxicBMeasure serum paracetamol concentration at 4 hours post-ingestion and use the nomogram to determine need for N-acetylcysteineCStart N-acetylcysteine immediately without blood testsDWait 24 hours then check liver function testsEInduce vomiting at home and observeCheck my answer