The three pie charts delineate the changes in the UK school’s annual investments in 1981, 1991, and 2001.
Overall, the greatest amount of money was allocated for teachers’ remuneration in all the given years, while furniture and equipment expenditures overtook other workers’ salaries by 2001.
In 1981, the school spent 40% of investments on teachers’ annual payroll. Teachers’ salaries increased by 10% in the year 1991. Similarly, the total school spending on teachers’ salaries in 2001 was 45%. Moreover, other workers’ salaries were 28% of the total amounts in 1981, then reduced slightly by 6% in 1991. Conversely, furniture and equipment disbursement overtook other workers’ annual wages and reached 23% by 2001.
In contrast, furniture and equipment expenses stood at 15% and 5% of the total investments of the school in 1981 and 1991, respectively.
Furthermore, the school invested 2% on insurance in 1981. By 2001, it increased steadily to 8%. On the other hand, the institution spent 15% of the total money on books in 1981, which increased by 5% in 1991 and later declined to 9% by 2001.