The line graph beneath illustrates the income of four shops from jewelry company each month in 2008.
Overall, it can be clearly seen that the shops number two and three showed the considerable increase by the end of the given period, while the stores named one and four just flattened out.
To begin with the shop three which started with 70 euros on january and decreased slightly at 40 euros from april to june. After a little decrease the revenue uplifted dramatically and hit the highest point at approximately 80 euros on december. In contrast the store number two remained the same static at roughly two quarter for five month from january to may. Next half year average income went up and stopped at about 60 euros on december.
To continue the shop four which was unstabilize all over the months,firstly the numbers uplifted steedily at 30 euros then declined slightly at around 20 euros. Although for four months between april and july the figures stabilized at around 30 euros, then it dropped suddenly again at 20 euros, however on october the numbers came back to 30 euros for continuing months. In addition the last shop one income illustrated the sharp increase from one quarter to 40 euros between january and april. Next the figures remained the same static at 40 euros for half year, whereas from october it just slightly went up to 50 euros on december.