The line graph witnesses an information about the average price of contracts for four types of cell phones per month in a certain European country between January and September in 2002. Overall, we can see that almost all sort of mobile phones showed an upward trend except for alpha, which contract increased gradually, but at the middle of the period it dropped noticeably. The dominator of the chart was demo, however at the end it was surpassed by the Sim TX’s deal, which started at the lowest point of the graph. The amount of cost of covenant for Lex cell phones experienced a consistent rise.
Commencing with around 9 euros in January, the cost of Lex’s contracts decreased slightly to about 7 euros in February. Despite the reduction in February, the figure for Alpha grew steadily to approximately 14 euros in June, but this was followed by a further decline and ended up with 6 euros in September, the lowest price among four different cell phones. Meanwhile, Demo’s covenant cost was 15 euros in January, which was the highest point at the beginning. And this was followed by a further dramatic climb, reaching around 26 euros in July, at this point it attained the peak of the graph. However, in the end the figure for the Demo phones’ deal’s cost reduced moderately to 22 in September.
Before the falling to 10 euros in February, the amount of the cost of the Lex cell phones’ contract was approximately 12 euros in January. But this was followed by a further went up and ending up with 17 euros in September. Nevertheless, the figure for Sim TX began with 5 euros, which was the lowest price of the chart, practically leveled off until June. After which the amount of the deal cost skyrocketed to 13 euros in august and eventually possessing the domination in September with 25 euros per month.
