{
  "id": "gen-nPojOWGn7i28biE0oBB041a6DBMb",
  "model": "google/gemini-pro-vision",
  "choices": [
    {
      "message": {
        "role": "assistant",
        "content": " The correct answer is $561.25\n\nFirst, calculate the semiannual coupon payment:\n$1000 * 12% / 2 = $60\n\nNext, calculate the number of semiannual periods until maturity:\n20 years * 2 = 40 periods\n\nThen, calculate the present value of the bond's future cash flows using the semiannual yield to maturity of 6%:\n$60 / (1 + 0.06)^1 + $60 / (1 + 0.06)^2 + ... + $60 / (1 + 0.06)^40 + $1000 / (1 + 0.06)^40 = $561.25"
      },
      "finish_reason": "STOP"
    }
  ],
  "object": "chat.completion",
  "created": 1708561984,
  "usage": {
    "prompt_tokens": 1140,
    "completion_tokens": 668,
    "total_tokens": 1808
  }
}