{
  "fixture": "V10-price-quantity-bridge-r1",
  "prior_total": 1260,
  "current_total": 1670,
  "variance": 410,
  "effects": {
    "quantity": 170,
    "price": 100,
    "new_product": 200,
    "discontinued_product": -60
  },
  "equation": "1670-1260=170+100+200-60=410"
}