{
  "project": {
    "id": 31,
    "project_name": "Kunda a/s",
    "customer_name": "Hans Hansen",
    "customer_email": "hans@hansen.dk",
    "customer_phone": "21412544",
    "customer_address": "hansegade 12",
    "project_description": "udskiftning af b7 tag til nyt b7 tag"
  },
  "geometry": {
    "roof_type": "skraat_tag",
    "total_area": 342.24,
    "roof_pitch": 25,
    "complexity_factor": 1.2
  },
  "labor": {
    "carpenter_count": 2,
    "total_work_hours": 82,
    "allocated_hours": 75,
    "hourly_rate": 580
  },
  "materials": [
    {
      "material_name": "B7 Tagplader",
      "quantity": 350,
      "unit": "m²",
      "unit_price": 125.50,
      "total_price": 43925.00,
      "supplier": "Bygma",
      "category": "tagmaterialer"
    },
    {
      "material_name": "C18 Taglægter",
      "quantity": 85,
      "unit": "stk",
      "unit_price": 45.00,
      "total_price": 3825.00,
      "supplier": "Bygma", 
      "category": "tagmaterialer"
    },
    {
      "material_name": "Tagrender 125mm",
      "quantity": 24,
      "unit": "m",
      "unit_price": 185.00,
      "total_price": 4440.00,
      "supplier": "Bygma",
      "category": "tagmaterialer"
    }
  ],
  "calculation": {
    "total_labor_cost": 47560.00,
    "total_material_cost": 52190.00,
    "subtotal": 99750.00,
    "overhead_percentage": 15,
    "overhead_amount": 14962.50,
    "profit_percentage": 20,
    "profit_amount": 19950.00,
    "total_excl_vat": 134662.50,
    "vat_percentage": 25,
    "vat_amount": 33665.63,
    "total_incl_vat": 168328.13
  }
}