The bar charts illustrate information about the proportion of sales income in the US dollars for four different product types throughout the period from 2016 to 2019. Overall, it is clear that the highest percentage was for electronics and clothing, while furniture and books were less popular than previous figures.
Considering the proportion rising popularity, of electronics in 2016 that 2017. However, afterward, a decline in purchases reached a peak of 220000 dollars in 2018, then it decreased slightly to 200000 dollars in 2019. Meanwhile, clothing products sold between 2016 and 2018 began rose steadily just
150000,165000 and 210000 dollars, respectively. However, it gradually dropped to 180000 dollars over the period.
In terms of the smallest number of furniture and books has fluctuated for the third year, started about 60000 dollars in 2016. Since 2018, furniture products has been dramatically increased accounting for over 130000 dollars. Over the two years, it has been slightly dropped 110000 and 90000, respectively. However, book products started at 8000 dollars in 2016, next year plunged to 40000 dollars. After, book products gradually rose 80000 and 10000 dollars between 2018 and 2019.