The line graph illustrates the variations in costs of the Copper, Zinc and Nickel metals per month in 2014.

The line graph illustrates the variations in costs of the Copper, Zinc and Nickel metals per month in 2014. Overall, the changes in the price of Nickel records the dramatic decrease throughout the year. In addition to this , it holds the lowest variation in the last month. Proportion of price change in Zinc and […]