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

The line graph compares the average alternation in Cooper,

Nickel

, and

zinc

costs every month during 2014.

Overall

, the proportion of monthly valuation for

Nickel

saw a significant decrease.

Also

,

this

situation was true for Cooper, but the ultimate change is negligible.

However

, the prices for

zinc

increased after a month. The amount of changes in

Nickel

price in February was 6 per cent, which owned the highest shift. The similar figures for two other metals demonstrate 2% and 1% respectively at the beginning of the year. During the first month, the value of

Nickel

had dipped by June to -3%.

Additionally

, the same statistics for Cooper illustrated a dramatic fall till May and a stable situation until June.

Nevertheless

, the average monthly change in

pay

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the pay

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of

zinc

soared till February by 2% and

then

reached the lowest degree twice; both in June and October to -1%. Whitin

further

time, all the materials experienced a positive movement in their prices.

Finally

in December, despite all fluctuations, the

Zinc

rate underwent a 1% alternation. It was -0.5% for Copper and -5% for

Nickle

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nickel

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in contrast

to others was noticeable.