The pie charts display a comparison of the financial expenditures of a certain school in the UK between three different years over a 20- year period.
Overall, as illustrated, expenses have been distributed on salary wages of teachers, necessary furniture and equipment, resources such as books, insurance and earnings of other employees between 1981 and 2001.
According to the proportion, the wages of school teachers are considered as the biggest financial expenses for each 10-year period, where in 1981 and 2001, rated increased from 40- 45% respectively and slightly increase for 5% in 1991. With regard to other workforce earnings, comparatively less, because until 1991, contributions of expense reach 28% to 22% and in last year’s experienced decline to 18%from total rate. Furthermore, the peak of spending on insurance shows 8 % has last recent years.
Between 1981 and 2001, the proportion of resources and books has been fluctuating. Where in the first ten years it rated 15%, in 20% and in the last years the percentage declined steadily to 9%. Moreover, if expenditure on equipment and furniture displays over a 20-year period, then in 1991 contributed to 5% of spending. However, in 2001 the percentage substantially reached 20% of expenses.