This line chart illustrates the mean cost of monthly mobile contracts in four telecom company in a European nation for the first 3 quarters in 2002, measured in euro.
Overall, there are fluctuations with a steady growth for Domo and Lex, while Sim TX and Alpha noticed spike on the first and drop on the latter.
The first main feature highlights the subscription increase for both Domo and Lex. In 9 months span the first had 50% increase while reached the highest level on June at 25 euros, the latter had reached the lowest cost of 10 on February before it regain the upward trend and end up 17.5 euros which makes it 5 euros more on average.
Sim TX had somehow a steady number of contracts in the first two quarters at 5.5 euros on average followed by a dramatic rise on the third quarter that exceeded Domo. By September SimTX averaged 25 euros per contract. On the other hand, Alpha’s upward trend on the first half of the year was similar to Domo and Lex, it exceeded the latter on June by 1 euro. conversely, the mean cost took a hit starting from July where they shared the average with simTX before resuming their downward dive.