The line graph provides information about the mean monthly change in the rates of copper,nickel and zinc throughout 2014.
Overall, the percentage of change in prices of metals experienced a downward trend during the period.Additionally, the change in the price of nickel showed fluctuation.
Looking at the details, between January to March was downward trends on copper started at 2% to 1.5% respectively. This figure was rose slightly in July at 1%. Moreover, it was unchanged in July to September, while it was dramatic decline in two months than slightly increased to approximately 1.5% in ending month in 2014. Instead, nickel was massive priced at 6% of first month, next, this trend was fluctuated in given motnhs.
On the other hand,zinc started at 1% in January, this figure was peaked at 3% in next month.Meanwhile, it was declined to 1% in July. This figure was stabled in 3 months, next month steadily expanded to 2% in 2014.
