<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  How do you calculate gross profit margin? Context: The gross profit margin is calculate by dividing gross profit by total revenue and multiplying by 100. Answer: [/INST]Gross profit margin is calculated by dividing gross profit by total revenue and multiplying by 100.</s>