The graph illustrates the average monthly rise or fall in cost of copper, nickel and zinc in 2014.
Overall, Nickel started with highest percentage more than other metals,but slightly lower at the end of the year. Zinc started with the lower percentage but have a slightly increase at the end. Copper prices fluctuated. According to the line graph, Nickel had a significantly higher
percentage in January of 6 percent and slightly decreased at the end of the year. In Zinc had a lower percentage for all three metals, but they was an increase since November to December. The last metals is Copper have fluctuated of the prices, such as fall in June after that, they was rise 1 to 0 in July and slightly fluctuated until at the end of the year.
To summarize, the price of three metal have a different percentage and fluctuated.Moreover, in June they have the same thing that is dropping of prices. And the percentage trend at the end of the year for all three metals are not much different compared to the beginning and middle in 2014.
