The line chart below give information about the reasonable price of monthly contract of four different cellular enterprise in one European country between January and September in 2012.
Overall, It is clearly that the average cost of the Domo increased dramatically although it decreased slightly from July to September. Meanwhile, the Lex climbed moderately in each month and the Alpha growed rapidly especially in September. By contrast, the cost of alpha increased quickly in initial months but it crashed in September.
Looking first at the higher figures the Domo started the first rank about 15 euros and it continuously reached a peak at 25 euros in July. However, the average cost declined gradually and stopped at about 23 euros in September.In contrast, the Alpha started the lowest point about 5 euros but noticeably it soared up at 25 euros and overcame 3 another companies to reach the peak in September.
Moving to the Lex started the second rank and noticeably it rose rapidly at 19 euros from February to September. About 17 euros which are the start average cost of the Sim and fluctuates unstable until it went down from Jun to September in 2012.
