The given three pie graphs provide information about the proportion of annual expenditiure contribution to the economy to Springfield College from 1990 to 2010.
overall, the most striking aspect shown in this figure is that the figure for teacher salaries was the most popular throughout the years while the percentage of furniture and equipment ,insurance and books was the least.
As it can seen that, the school spent an increasing percentage of money on teachers’ salaries, with the maximum of 50% being spent in 2000, after which it reduced by 5% in 2010. Also, this remained the area where the highest amount of money was spent, in the given three years.with other staffs’ salaries, however, the figure steadily declined from 28% in 1990 to 15% in 2010.
Regarding Furniture and eqipment decreased significantly over the periods with 14% to 3%, respectively.when it comes to technology, it experienced a mere growth of 1% and 3% in the first two decades, then increasing to a whopping 20% in 2010, being the second most invested field.
Moreover, the ratio of insurance , demonstrated a mere growth from 2% in 1990 to 8% in 2010, remainig the least spent area all the years.The figure for books was 15% in 1990, then rose slightly to 20% before falling to 9% at the in of the period.