The line graph provides data on average monthly contract price of different network companies in one country in Europe in the period from January to September 2012, measured in euros.
Overall, all companies witnessed a slight changes with the exception of ALPHA which increased significantly. Moreover, contract of SIM TX was almost the same as at the beginning after growing dramatically in June.
To begin with, the contract of ALPHA had costed only 5 euros at the begining of the period. Notably, its price had been almost the same as in January before going up in July. In August, its contract costed approximately 12.5 euros, and the next month, the price increased twofuld within a month.
Moving to the next aspect, DOMO had the highest price in Januarry (15 euros) and gradually grew and reached its peak in July. However, it witnessed a decline and continued going down. Furthermore, LEX costed approximately 12.5 euros and flactuated during the next six months. Despite being in third place in January with cost of 8 euros, SIM TX gradually grew and even reached second place in June. After climbing it only lowered.