The line graph illustrates the monthly earnings of four different retail outlets (Shop 1 to 4) over the course of 2008.
Overall, it is clear that while Shops 1, 2, and 3 experienced a general increase in revenue by the end of the year, Shop 4 followed a much more volatile and downward trajectory. Shop 3 emerged as the highest earner by December, despite a significant mid-year decline.
In the first half of the year, Shop 3 began as the market leader with earnings of 70,000 euros, but its revenue experienced a dramatic decrease, bottoming out at just under 10,000 euros in June. In contrast, Shop 2 started the year with the lowest figures, at approximately 10,000 euros, which was less than half the amount generated by Shop 3 at that time. Meanwhile, Shop 1 and Shop 4 showed opposite trends, with Shop 1 rising steadily and Shop 4 fluctuating around the 40,000 to 60,000 euro mark.
Regarding the second half of 2008, Shop 3 saw a noticeable recovery, climbing sharply from its June low to finish the year at a peak of 80,000 euros. Shops 1 and 2 followed a similar upward trend, ending at roughly 50,000 and 60,000 euros respectively. Conversely, Shop 4’s revenue remained unstable; after a brief spike in September, it dropped again to end the year as the least successful shop, with a final figure of around 30,000 euros.