The given line graph illustrates the information about the cost of monthly contract in four mobile cell phones in a European country in 2002.
Overall, it is clear that Domo mobiles are the most expensive cell phones, having a noticeable increase in price. Moreover, Alpha phones saw a dramatic jump, when Lex and Sim TX fluctuated.
Looking at the details, in January, the average cost of monthly contact with Alpha was 5 euro and it stayed almost the same until April, while the Sim TX increased from 9 to 12 euro. After that, Alpha’s contact cost started to fall, while Sim TX reached its peak of 15 euro per month. However, after a slight plummet, Alpha experienced a dramatic jump , having the highest among other companies by September and Sim TX decreased significantly.
In terms of Domo and Lex, they both were in top 2 rating in January, having a price of 15 and 12 euro respectively. Domo and Lex companies fluctuated both until Jule when they reached 25 and 16 euro per month, respectively. In the end, Domo started to moderate and its monthly contact fell by 23 euro per month, while Lex’s contact reached almost 20 euro monthly.