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

The line chart shows how the fee for

copper

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,

nickel

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, and

zinc

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changed each month in 2014.

Copper

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and

nickel

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bill

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bills

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went down

overall

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,

while

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zinc

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valuation went up slightly.

Nickel

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had the most significant price fluctuations between months. In January 2014,

nickel

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return inc

reased

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released

by 6% compared to the previous month, which was higher than

copper

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(2%) and

zinc

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(1%).

However

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,

nickel

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estimate

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estimates

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dropped to 1% by March and reached a low of -3% by June. The changes for

copper

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and

zinc

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were less dramatic, with

zinc

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seeing a 3% increase in February before a downward trend for the first half of the year.

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Copper

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The copper

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rate

also

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fell, mostly staying around 1% to -1%. In the second half of the stage,

nickel

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prices continued to decline, except for a 1% increase

at the end

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of the time.

Copper

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cost remained stable at around 1% from July onwards, with a small increase in December.

Zinc

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payment had a slight drop of 0.5% for most of the latter part of the year, followed by a surge of 2% in December, which was the highest point reached among all the minerals’

tariff

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tariffs

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.