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

The line chart provides information about the average monthly

changes

in the prices across three different metal categories, namely copper, nickel, and zinc in 2014.

It is clear that

the prices of all three metals fluctuated during the given period. Another notable point is that the three types of metals ultimately exhibited similar

price

change trends. Looking at the information in more detail, nickel's

price

changes

(the

price

changes

of nickel) started at 6% in January and

then

dramatically decreased to 1%.Afterwards, it reached a low point of -3% in June, rose to 1% in November, and remained at

this

level in December. In terms of the

price

changes

for copper, it began at 2% and gradually diminished to -0.5% in May.

Following

this

decline, it reached a plateau

at

Change preposition

of

show examples

1% during July and September.

Finally

, the

price

change increased to 2% in December.As for zinc, it started at 1% and grew to 3%,

then

significantly decreased to -1% in June, which was the same percentage as in October. By December, the percentage reached its highest point at 2% compared to the other metals.