the provided line graph illustrates the monthly average cost in four specific mobile companies in an Europ’s nation in first nine month of 2012.
overall, while a fluctuation in monthly average cost was observed in Sim Tx exhibited, Domo, Lex, and Alpha exhibited an upward trend. The trajectories diverged significantly, with Alpha demonstrated the most notable increase, finally overtaking three other companies.
in January, clients have to pay average 15 euros per month for Domos service, positioning Domos as the company have highest price. However this figure experienced gradually growth to 25 euros in July, before slightly gowing down to approximately 23 euros by the end of period. In contrast, the average price offered by Alpha was the cheapest, with mosdestly 5 euros in January. Nevertheless, Alpha service cost fluctuated from 5 to 6 euros in first six month, before surging to 25 and surpassing Domo in September.
The lex recored a moderate increase in its cost with minimal fluctuation, climping from below 10 euros in initialy to over 15 at the end of timeframe. Conversely, Sim TX displayed more fluctuation in its cost, which data overtaked Lex in June at nearly 15 euros, before dramatically diminhsing to about 8 euros in September, locating SimTX as the company have lowest price for its services