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The image displays a line graph illustrating average monthly percentage change in prices for copper, nickel, and zinc in 2014. In January, copper is at +1%, nickel at +6.5%, and zinc at +4.5%. February shows copper at 0%, nickel at +5%, and zinc at +4%. March has copper at -1%, nickel slightly above 3%, and zinc at nearly +2.5%. April records copper at -1.5%, nickel at +3.5%, and zinc at just over 1%. In May, copper stands at -2%, nickel at +2%, and zinc at a little under 1%. June figures show copper at -2.5%, nickel at +1%, and zinc slightly above 0%. In July, copper drops further to -3%, nickel dips to -1%, and zinc at -1%. August retains copper at -3%, nickel at -2.5%, and zinc at -1%. September records copper near -1%, nickel at -1.5%, and zinc marginally below 0%. October data indicates copper at 0%, nickel at -1%, and zinc at +1%. November presents copper at +0.5%, nickel at 0%, and zinc at +1.5%. December registers copper at +0.5%, nickel at nearly +1%, and zinc slightly above 2%.
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the line chart depicts the data about the alterations in the costs of three different metals (copper,zinc,and nickel) on throughout 2014. overall,it is conspicious from the chart that the prices of metals fluctuated wildly over the research period. nickel and copper experienced a downward trend while zinc,despite having the lowest percentage at the start saw an upward trend surpassing both nickel and copper.
in january,all the metals stood at 6%,2%,and 1% respectively. nickel decreased sharply in the first quarter of the year reaching a mere of 1%. as for the copper it diminished gradually. when it comes to zinc, it reached its highest point at 2% before declining steadily however it was not until june that all metals hit the lowest change percentages 0.5%,-1%,and -3% respectively.
conversely, the percentages rose in july and remained costant in 2 months. after that, in september a little decline was witnessed in all metals. then, the figures rose gradully from october to november. in december nickel was the lowest at 1% copper was just above the nickel. zinc constituted for the highest percent at 2% at the end
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