The line graph illustrates the rate of average change in the cost of copper, nickel, and zinc throughout the year 2014.
Overall
, it is apparent that the price of the three metals showed a continuous fluctuation over the twelve months.
In January, the percentage of price change of copper was 6%, which dropped to -3% in June, registering the lowest price shift. The proportion reached -1% in July, where it remained steady until September.Linking Words
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