The chart below shows the average cost of monthly contract for four different mobile (cell phones) in a European country from January to September 2002, measured in euro.

The chart shown provides data on standard recurrent prices for four network operating companies in a known European nation over a 9-month year period of 2002.

Overall

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,

while

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most of the mobile phone service companies showed considerable increases in their cost, Alpha Services stood out from its fellow colleagues showing an extensive rise in its prices with SimTX being the only entity to record a marginal fall. On the one hand, in the beginning, the monthly costs of having a Domo mobile phone were relatively quite high compared to other businesses with just 15

euros

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which was 3 times that of Alpha mobile services.

However

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, though Domo still maintained their place and reached 25

euros

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in July, they

then

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fell slightly in the final month with roughly 2

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to settle approximately at 23

euros

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which was enough for Alpha to take the lead in September peaking at 25

euros

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per month. The cost of Lex cellphones

also

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rose marginally over the period, unfortunately, it was not quite high enough when compared with its contenders settling at just about 17

euros

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every month.

On the other hand

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, SimTX showed a promising start as the year progressed steadily with just under 10

euros

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in January

then

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climaxing to nearly 14

euros

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in June before a drop towards the end of the period of about half the price of its previous position.