What is the cost of paper

This question is too general, the cost, now the general paper mills are buying pulp, back to the pulp, so that after the copying, the cost is first raw materials, pulp or bamboo pulp, waste paper, a variety of fillers, etc., the second is labor, the third is the cost of electricity, gas, water, pulp, about now, seven or eight thousand a ton of it, waste paper two thousand.