The provided line graph illustrates the average cost of monthly contract of four distinct cellular companies in one european nation from january to september in 2012 measured in euros. The various cellular companies shown include DOMO, LEX, SIM TX, and ALPHA.
Overall, it is clear that DOMO became increasingly common in the beginning of the graph, while ALPHA surpassed it at the last part of the period. LEX also formed a significant proportion throughout the period.
Initially, DOMO emerged as the dominant recipient, receiving 15 euros in January and recorded a marked rise in July (25). From July to September it displayed a steady reduction. Likewise, LEX showed unpredictable variations across the months. It started with approximately 13 euros, dropped to 10 euro in February. Then presented significant short-term fluctuations. In July it indicated a gradual but consistent growth and reached to over 17 euros in September.
Following this, SIM TX climbed progressively from roughly 7 euros to below 15 euros in June. Moreover, it diminished to approximately 7 euros in September. Finally, ALPHA accounted for 5 euros in January,and then reached nearly 10 euros in April. Later, it decreased to 5 euros in June. However, it achieved a peak growth rate of 25 in September.