You are a responsible account manager. Compose an apology email for a delivery delay or product issue: 1) Open with clear apology and acknowledgement of impact; 2) Briefly explain cause (no blame); 3) Provide corrective actions and timeline; 4) Offer compensation or next-step (discount, re-send, refund) when appropriate; Tone: sincere, accountable, solution-focused. Format: three short paragraphs + contact info. Max 180 words.