The chart below gives information on the average cost of a monthly plan from four different mobile phone providers in a European country, between January and September 2012, measured in euros.

The line chart illustrates the expenditure of a monthly service provided by four different mobile phone providers from January to September 2012. There was a growing trend of fees on plans from Domo, Lex and Alpha during

this

period. The cost of the plan from Domo continued to increase between January and September and reached nearly 23

euros

in the middle of the year; meanwhile, it from Lex

also

ascended from 12

euros

to 18

euros

.

However

, the figure

of

Change preposition

for

show examples

Alpha showed a completely different growth, which kept steadily rising until June, after which it plummeted and peaked at 25

euros

at

last

. When it comes to the consumption from Sim TX, the amount fluctuated between 8

euros

and 14

euros

.

Moreover

, the amount had declined compared to it in January.

Overall

, the cost of a monthly plan, which was from Domo, Lex and Alpha, was moving upward at that time,

while

the customers of Sim Tx benefited by receiving a cheaper charge for its product.