[
  {
    "sku": "M-1",
    "net_price": "100.00",
    "unit_cost": "65.00",
    "fee": "5.00",
    "margin_floor_pct": "25",
    "contribution": 30.0,
    "margin_pct": 30.0,
    "margin_status": "ok"
  },
  {
    "sku": "M-2",
    "net_price": "50.00",
    "unit_cost": "43.00",
    "fee": "4.00",
    "margin_floor_pct": "25",
    "contribution": 3.0,
    "margin_pct": 6.0,
    "margin_status": "below_floor"
  },
  {
    "sku": "M-3",
    "net_price": "20.00",
    "unit_cost": "22.00",
    "fee": "1.00",
    "margin_floor_pct": "25",
    "contribution": -3.0,
    "margin_pct": -15.0,
    "margin_status": "loss"
  },
  {
    "sku": "M-4",
    "net_price": "0.00",
    "unit_cost": "2.00",
    "fee": "0.00",
    "margin_floor_pct": "25",
    "contribution": -2.0,
    "margin_pct": "",
    "margin_status": "invalid_price"
  }
]