Input (grade 7): In Western countries, the average retail price is $1,000 / # 500 / $700 per pound (US$ 2,200 / # 1,100 / $1,550 per kilogram).
Output (grade 7): In Western countries, the average retail price is $1,000 / # 500 / $700 per pound (US$ 2200 / # 1100 / $1550 per kilogram).