three pie charts below show the changes in annual spending by a particular UK school in 1981, 1991, and 2001. summarize the information and make comparison. write at least 150 words.

These provided pie charts illustrate the changes in the annual expenses of a specific school in the UK in three different years, in 1981, 1991, and 2001.

Overall

, it can be seen that the total school expenditures were mainly composed of five items, and there was a change in the spending for each item across the given three years.

To begin

, in 1981, teachers’ salaries took the highest percentage of spending, at 40%, and even though they increased to 50%, in 1991, they experienced a slight drop to 45%, in 2001.

In addition

to that, the salaries of other workers accounted for the second ratio of expenses, at 28%, in 1981,

then

; they reduced to 22%, in 1991 and to 15% in 2001. Regarding furniture and equipment and resources

such

as books, in 1981, the cost of expenses for each one was at the same ratio of 15%, but there was a fluctuation for both of them in 1991, the ratio of spending on resources elevated to 20%,

then

; it reduced to 9%, in 2001,

whereas

in 1991 the percentage of expenditures on furniture and equipment dropped to 5%, and

then

increased, in 2001.