Most Colleges Pay Teachers Different Salaries in Different Fields

Multiple Choice

Most colleges pay teachers different salaries in different fields.For example,they usually pay science teachers more than English teachers.Public schools pay teachers in different fields the same.As a result,in public schools,if they want to get better science teachers,they have to raise everyone's wage.Which of the following is a consequence of paying teachers different salaries,as they do in colleges?

A) It raises the cost of hiring a higher quality of teachers.
B) It reduces the cost of getting good teachers in the areas that are in high demand.
C) It results in relatively fewer good teachers being hired in areas of high demand.
D) It results in most teachers getting similar pay.