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

The line graph illustrates the average variation in the costs of 3 separate metals every month in the year 2014.

It is clear that

there was an upward tendency in the price of

zinc

,

while

the opposite was true for

nickel

and

copper

.

Besides

,these 3 sorts of metals experienced fluctuation and

nickel

witnessed the most noticeable drop of all. As can be seen, in January,

nickel

was recorded to be at the top of the list with a 6 % change in its price from the previous month, compared to 1% in

Zinc

and 2% in

Copper

. Over the next 2 months,

whereas

the figures for

Nickel

and

Copper

dropped to approximately 1% and 0.5 % respectively,

Zinc

increased its cost to double.

Nickel

kept falling until it reached a low of -3% in the middle of the year after.

Likewise

, the price of

Zinc

together with

Copper

also

decreased considerably to -1% and -0.5% severally.

However

, over the

last

6 months, the values of all types of metals rose again.

Nickel

climbed to -1% and remained the same until September before getting to 1% in December .

Similarly

, the percentage of

Zinc

and

Copper

soared to 2% and 1.5% separately

at the end

of the year after stabilizing from July to September.