the pie charts illustrates the expenditure of springfield college in three separate years 1990, 2000 and 2010.
generally, the amount of money spent on staff’s pay was the largest. Additionally, while there was increase of technology and insurance spending, the budget of infrastructures, books decreased or fluctuated.
Spending on teachers’ salaries made up for the majoriry of Sringfield college’s budget, increasing from 40% to 50% before declining to 45%. The amount of money spent on other workers salaries fell gradually, from 28% in 1990 to 15% in 2010 similar to insurance, with 2% in 1990 and 8% in 2010.
In terms of other expenses, from 1990 to 2010, technology spending increased noticeably, from 1% to 20%. In the same period, the expenditure on furniture, equipment, and books fluctuated and fell, from 14% to 3%, and from 15% to 9%, respectively