The graph highlights data about monthly averagely price agreements for four various types of phone in Europran country from January to September in 2002 calculated in euros from zero to 30 with an intervals of 5
Overall, it is clearly seen all lines had transition with each other, but Alpha being the lowest one in cells grew considerably and left behind the rest three companies by the end of time while domo was on top almost whole period. In addition this line is the only one in graph that crossed with all.
On the other hand, Sim Tx phones saw a decline by the frame time, in January the price was just over 10 euros, but unless in June when phone prices with Lex had connection. Since this contact happened in the remaining time Sim Tx cost fell dramatically from over 10 euros to about 7-8 euros. Lex phone price shifted from around 12 by 5 euros by the end of the period.
First of all, from January to February alpha selling was on 5 euros, in the following 4 month the price had fluctuation and until September rose sharply by 20 euros reaching its peak. Secondly domo phones increased beginnig at 15 euros leveling at 20 euros between May and June. Then there was a drammatic growth by 5 euros, however later this number declined slightly by about 2,5 euros