The graph below shows the average monthly change in the prices of three metals during 2014. Summarize the information by selecting and reporting the main features and make comparisons where relevant.

The line graph depicts the dynamics of prices with percentages for every 3 metals per month in 2014.

Overall

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, it is evident that the costs ratio in copper and zinc are mostly the same at the beginning and end of the

year

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,

while

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nikel

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Nikel

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price

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showed the most dramatic decrease over the same period shown. Looking at the line graph in more detail, the proportion of zinc

price

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had escalated from 1% to 3% before dropping drastically to -1% during the next 4 months, until June. A steady decline is observed in the

price

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of copper until June. During the rest of the

year

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, the cost of both metals changes in a similar trend, reaching similar figures to the prices at the beginning of the

year

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(copper 1.5%, zinc 2%). Regarding nickel

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price

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price,

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there was a significant fall from 6% in January to 1% in March, by 5% by followed a fluctuation during the next 2 months until May. The figure decreased dramatically to -3% in May, which is the lowest ratio of the

year

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. In the next 4 months the proportion of nickel prices fluctuated around -2% and

finally

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,

this

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figure rose to 1%

at the end

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of 2014.