The line graph displays average sales of four different products, which are plates, ceramic cups, plastic cups, and cutlery kits over six years, from 2015 to 2020.
Overall, plates started with the highest number of sales, increased to the peak, and then gradually decrease until the final year. Sales of plastic cups also declined, had a slight growth and eventually reduced to almost zero in the end. By contrast, cutlery kits sales were slightly increase and ceramic cups were fluctuated overtime.
It was clear that plates were initially been sold most in 2015 at around 1500, reached a peak at 1800 in 2017, and dropped dramatically to below 900 in the end of the period. Plastic cups were the least products sold in 2015 at about 600 and declined to around 200 in 2017. However, there was a small increase in the next year to around 300, then they gradually went down to almost 0 in 2020.
In addition, cutlery kits started the sales at round 800, and presented a small gradual growth overtime to just above 1000 in 2020. Ceramic cups was the second-lowest products manufactured in 2015 with the figure at about 700. Nevertheless, there was a fluctuation in sales for this type of product, as it slightly increased in 2017 and fell to below 400 in the following year. Finally, it went up to more than the start to above 900 in the last year.