The pie chart given below shows the number of girls in six schools. The total number of girls in all these six schools are 8000. Number of girls in a particular school is shown as a percentage of total number of girls in all these six schools.

What is the difference between the central angle formed by sector M and Q?

A

64.3 degree

B

82.8 degree

C

74.3 degree

D

93.5 degree