The SKU cost is worth exploring the context that Tesco is facing massive pressure from the lower end of the market in Lidl and Aldi. Separately it also allows

The SKU cost is worth exploring the context that Tesco is facing massive pressure from the lower end of the market in Lidl and Aldi. Separately it also allows for better bargaining power with the suppliers, fewer brands on the shelves = Tesco having greater competition between brands to get on the shelves.