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    "sellable_fraction": 0.5,
    "recovered": 10000,
    "cost_yen_assumption": 200000,
    "sellable_balls": 5000,
    "cost_per_sellable_ball_yen": 40.0,
    "scenario_only": true
  },
  {
    "sellable_fraction": 0.7,
    "recovered": 10000,
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    "sellable_balls": 7000,
    "cost_per_sellable_ball_yen": 28.571428571428573,
    "scenario_only": true
  },
  {
    "sellable_fraction": 0.9,
    "recovered": 10000,
    "cost_yen_assumption": 200000,
    "sellable_balls": 9000,
    "cost_per_sellable_ball_yen": 22.22222222222222,
    "scenario_only": true
  }
]