The graph below shows the average monthly changes in the prices of three metals during 2014

The graph illustrates the rate of value differences each month

within

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in

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2014. The study involved three distinct materials, which were

cupper

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copper

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, tickle and zink By and large,

it is clear that

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nickle

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Nickle

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have

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has

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shown the greatest changes. These were

by

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apply

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the highest

figure

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figures

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at the

commence

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commencement

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,

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apply

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and the lowest

one

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ones

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at

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in

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the middle of the studied period. In terms of nickel, obviously, the rate of change was 6% in January,

this

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figure had

been

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apply

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dropped to 1% in March, and almost to 0.8%in May.

Furthermore

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,

sharp

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a sharp

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decline was seen to -3% in June, before rising again to -2% in October.

This

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percentage was followed by a final increase

to1

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to 1

% in December.

Moreover

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, Copper and

zink

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Zink

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, both

shew

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show

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almost the same trends. At the beginning of the study, an increase of 2% and 3%, for copper and zink,respectively. These figures were followed by a drop to -0.5%, and -1% in the same orders. Fluctuations for both were the

next,

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before rising to almost 2% for both in December.