The line graph below depicts monthly sales in a local coffee shop over a five month period. That can be see that, coffee sales are constantly increase from january to may, which is y axis shows sales in units and x axis shows month.
Coffee sales in january as big as 120 cups and increase about 15 cups in february. In march, increment of coffee sales similar with increment in january to february, which is 15 cups, with the result coffee sales in march as big as 150 cups.
In contrast, rise of coffee sales in march to april show smallest increase than the other month, which is just 10 cups. In the last of monthly report of coffee shop sales, it shows biggest increase at 20 cups, with total sales 180 cups in one month.