The line graph illustrates the average monthly contract fees for four mobile phone service providers namely , Domo, Lex, Sim TX, and Alpha in a single European nation between January and September of 2012.
Overall, while most companies experienced an upward trend in their monthly costs, Alpha followed a more unpredictable path. By the end of the period, Domo It became the most expensive service, even though it initially had a mid-range price.
In January, Lex was the most expensive provider at approximately 15euro, while Domo and Sim TX began at 12 euro and 9euro, respectively. Lex’s prices remained relatively stable until June, after which they surged to peak at 25 euro in July and ended the period at approximately 23euro. Domo followed a similar trajectory of growth; after an initial dip in February, it rose steadily to overtake Lex by September, reaching a high of nearly 25euro.
Conversely, Alpha and Sim TX started as the cheapest options. Alpha’s price fluctuated significantly, peaking at 15euro in June before dropping sharply to finish the period at 8euro, the lowest among the four. Sim TX showed more consistent growth, starting at just under 10euro and rising gradually throughout the nine months to end at approximately 18 euro, surpassing Alpha by a significant margin.