Shown in the chart is the revenue of four coffee shop in New York over last year. Overall, mostly four café increased in salary at the end of year excepting the tea room. Moreover, four café shops was also fluctuated over a year.
Looking at the graph, it is clear that wifi café and café cool saw a significant increase in revenue over 12 months. In the end of year, the income of wifi café gradually went from 50 up to 100. After that, this figure suddenly decreased to 60 in September. However, from this period to December, the wifi café’s revenue witnessed an atonishing fluctuation. This number suddenly rocketed up to about 190 at the end of year. In addition, the café cool saw an unsustainable rise in the level of sales. From January to June, the sales of the shop was not stable and changed from 40 to around 20, respectively. Moreover, this figure remarkably grown to about 50 in August and slightly fall down in the next month. Additionally, starting from thus month to December, the shop’s inome suddenly surged up to 120.
By contrast, while the income of wifi café and café cool significantly climbed, the opposite was true for the tea room. Over a year, the revenue of shop reached the highest rate is 180 in March. In the first five months, the rate of shop’s income ocilated between 110 and 180. After 5 years, this figure remained at proximately 130 in salary. However, the income of tea room suddenly declined to around 50 in December. Additionally, the internet express gradually climbed from 100 in January to about 80 in July. However, at later 5 years, this figure slightly rised up to approximately 140.