The line graph illustrates the overall income of three pizza restaurants in Vietnam in 2017.
Overall, what stands out from the graph is that Domino Pizza and The Pizza Company had a gradual increase over these months, and interesting point is that, both places saw a very similar figure. Apart from that, the third company; Pizza Hut experienced a fall over the months.
Looking at the details, as regards for Domino Pizza, revenue started at 30$ on january, then there was a dramatic drop to 10$ on february. Then the figure grew slightly up to 30$ again on july. Furthermore, then it had a minimal fluctuation in later months. If we look at The pizza company, the trend was similar. Having fell from over 30$ to 15$, revenue then rose up to approximately 30$. Then it reached its peak on july 40$. There was then moderetely fluctuation in following months.
By contrast, Pizza Hut went in the oppositen direction. Its sales started at more than 10$ on january, while in february it decreased to just above 5$. From march to june, it rose noticeably up to 10$, after which income started to fall again to about 1%. Despite this drop it had a small rise showing 5$ on november, however, in next months it began to drop.