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  ],
  "observed_fee_groups": [
    {
      "annual_fee": 0,
      "responses": 12030,
      "sent": 391000,
      "response_rate": 0.030767263427109975
    },
    {
      "annual_fee": 20,
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  "gross_expected_clv": 1515261.4653139266,
  "contact_cost": 375000,
  "prospects": 750000,
  "notes": [
    "Weighted binomial GLM; grouped count likelihood equivalent to original weighted opened/not-opened rows.",
    "Enumerates all 4095 nonempty offer subsets. No Round 1 feedback data supplied; static projection only."
  ],
  "provenance": {
    "commit": "90da04206ff44f7d25ff5caa7b24af4d605f3559",
    "files": {
      "fitech.ipynb": "f70790227fea9405ddf99f230bfe4cf83c7d4e235e135ecad0fbc1f4ed3b17e1",
      "data/exhibits.xlsx": "e810c019ca5cfd48090ac18acc8fc38febce033db4be08506a3806a526e9dbbb"
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    "python": "3.12.0",
    "numpy": "2.5.3",
    "pandas": "3.0.5",
    "polars": "1.44.2",
    "scipy": "1.18.1",
    "statsmodels": "0.15.0",
    "sklearn": "1.9.1"
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}