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

,

nickel

, and

zinc

changed each month in 2014.

Copper

and

nickel

bill

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bills

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went down

overall

,

while

zinc

valuation went up slightly.

Nickel

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

nickel

return inc

reased

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released

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

copper

(2%) and

zinc

(1%).

However

,

nickel

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

and

zinc

were less dramatic, with

zinc

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

Copper

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The copper

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rate

also

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

nickel

prices continued to decline, except for a 1% increase

at the end

of the time.

Copper

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

Zinc

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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.