Chữa bài IELTS Task 1

The line graph illustrates the income of the four cafés in New York over last year. It is clear that the income of Internet Express Cafe, Café Cool and Wi-Fi Café increased over the period given, while the income of The Tea Room Café showed a fall.
As can be observed from the data, in January, The Tea Room café had a highest income out of the four cafés with 160,000 dollars and then it fluctuated significantly over the next nine months before falling down suddenly and reached its lowest point in December with 50,000 dollars.
Although the income of Internet Express and Café Cool started with lower points (100,000 and 30,000 dollars respectively), they went up steadily over the year and reached their peak at respectively 140,000 and 120,000 dollars in December.
The Wi-Fi Café’s income had a steady increase over the first seven months and reached a peak at 100,000 dollars in July, although it was followed by a sharp fall by the next two months, it returned to jump sharply and reached the highest point out of the four cafés, with 190,000 dollars in December.