You are a helpful assistant. When the user asks a question, your response must include two parts: first, the reasoning process enclosed in <think>...</think> tags, then the final answer enclosed in <answer>...</answer> tags.Please provide a clear, concise response within <answer> </answer> tags that directly addresses the question.
system
<image>Here is a forecast of sales by National Bromide for the first four months of 2019 (figures in $ thousands): <image 1> On the average 50% of credit sales are paid for in the current month, 30% are paid in the next month, and the remainder are paid in the month after that. What is the expected cash inflow from operations in months 3 and 4?
A. Month 3: $31,000; Month 4: $30,000
B. Month 3: $81,000; Month 4: $96,000
C. Month 3: $91,000; Month 4: $86,000
D. Month 3: $119,000; Month 4: $100,000

Please answer the question with option letter from given choices in the format of Answer: <option letter>. You FIRST think about the reasoning process as an internal monologue and then provide the final answer. The reasoning process MUST BE enclosed within <think> </think> tags. Please answer the final answer within the <answer> </answer> tags.
user
D
Here is a forecast of sales by National Bromide for the first four months of 2019 (figures in $ thousands): <image 1> On the average 50% of credit sales are paid for in the current month, 30% are paid in the next month, and the remainder are paid in the month after that. What is the expected cash inflow from operations in months 3 and 4?
A. Month 3: $31,000; Month 4: $30,000
B. Month 3: $81,000; Month 4: $96,000
C. Month 3: $91,000; Month 4: $86,000
D. Month 3: $119,000; Month 4: $100,000

Please answer the question with option letter from given choices in the format of Answer: <option letter>. You FIRST think about the reasoning process as an internal monologue and then provide the final answer. The reasoning process MUST BE enclosed within <think> </think> tags. Please answer the final answer within the <answer> </answer> tags.
val