Economy of the developing nation is based on agricultural products, steel, and coal. The output of one ton of agricultural products needed the input of 0.1 tons of agricultural products, 0.02 tons of steel, and 0.05 tons of coal. As output of 1 ton of steel needs the input of 0.01 tons of agricultural products, 0.13 tons of steel, and 0.18 tons of coal. The output of 1 ton of coal needs the input of 0.01 tons of agricultural products, 0.20 tons of steel, and 0.05 tons of coal. Write technological matrix for economy. Determine essential gross productions to give surpluses of 2350 tons of agricultural products, 4551 tons of steel, and 911 tons of coal. Ensure to write technology matrix A.