But the national average retail price of a pack has remained at about $2.
At the national average price for electricity, the figure would be closer to $4.
Every 1 percent fall in national prices drives an additional 70,000 loans into foreclosure.
The national average price of a pack of cigarettes is $1.95.
All trading takes place at a single national price, which will rise and fall in line with demand.
"But it should not be without a national price."
It wants the nationalistic benefits without paying a national price.
The price used in the calculation was the national average price for the ingredient.
If profits disappeared, this might lead to companies having to increase their national prices.
At the same time, national prices are going down.