The graph depicts data on the average monthly change in the cost of three metals from January to December in 2014.
Overall, nickel recorded the highest percentage change in price among the three metals at the early month of the year. Also zinc began with 1% change in price at January and increased to 3% in February but decreased through out to June and rise in July maintain its percentage for the the two months before decreasing in the following two months and rising again at last.
To begin with, nickel started well with 6% change in price in January but decreased drastically to 1% in March and maintained it’s momentum to April same year. Unexpectably, saw another decreased from May having 0.5% change in price to -3% in June and jumped to -1% in July to September and lastly in December same year rose to 1% change in price. Also, copper had a 2% change in cost in January and saw a zig zag in the percentagewise before finally reaching 1.5% in December.
Furthermore, zinc in December saw a 2% change in amounts compared with the previous monthvin January same year, it began with 1% change but in February reached a 3% change, thinking it will maintain it for the next month but declined rapidly throughout the months-1% in June but rise again in July to -1.5% and maintaining it for the following two months. Later decreasing again to -1% in October and finally rising.