The provided bar graph illustrates the quarterly sales of four types of woodward chocolate bars in 2010, units measured in millions.
Overall, the sales of woody bar increased steadily throughout the period, whereas the sales of wachi bar declined considerably. Meanwhile, wuzzle bar and wozic bar experienced fluctuations in their figures.
In detail, wachi bar accounted for by far the largest sales figure in quarter 1, at 55 millions. However, its figure declined to 21 millions in quarter 2 and reached 10 millions in quarter 3 and 4. Similarly, wozic bar decreased from 35 millions to 10 millions before recovering to 35 millions in quarter 4.
In contrast, the sales figures of woody bar increased steadily from 10 millions to 20 millions in quarter 2 and 30 millions in quarter 3. It then reached a peak value of 40 millions by the last quarter. The sales value of wuzzle bar first remained stable at 19 millions in both quarter 1 and quarter 2 before rising to a peak of 40 millions in quarter 3. However, its figure decreased to 10 millions in quarter 4.
