The graph shows the income of four cafes in New York over last year

The line graph compares the changes in the income of four cafes in New York over the previous year. Overall, there were two basic trends: upwards and downward. Noticablely, the number of earning for The Tea Room and Wi-fi Cafe fell and increased the most dramatically. In the first month, The Tea Room had the highest income at 160 dollars, compared to just under 100 dollars for Internet Express's earning which was roughly twice as much as the figure for Wi-fi Cafe. The cafe with the lowest income was Cafe Cool, at nearly 30 dollars. The number of money for The Tea Room and Internet Express declined sharply in the first half of year, standing at just over 120 dollars and around 80 dollars respectively. By contrast, Wi-fi Cafe was the only one saw a jump of approximatle 50 dollars in just 6 months and the figure for Cafe Cool remained below 40 dollars untill July. In the rest of months, a suddenly downward trend was continuely witnessed in the earning of The Tea Room which hit a low in December, at about 50 dollars. On the other hand, the income for the other three cafes went up by varying degrees with a peak at 190 dollars for Wi-fi Cafe and from 120 dollars to over 130 dollars for two remain cafes.