The pie-chart shows the percentage-wise distribution of the number of students in five different schools P,Q,R,S and T .
The total number of students in all five schools together is `10,500` .
Study the pie -chart and answer the question .

The difference between the central angles corresponding to schools T and R is :

Options

A. `34.5^@`
B. `44^@`
C. `43.2^@`
D. `42.8^@`