The pie chart given below shows the number of boys in 8 schools. The total number of boys in all these 8 school is 6000. Number of boys in a particular school is shown as a percent of total number of boys in all these 8 schools.

Which of the following statement is correct?
I. The difference between number of boys in school M and Q are 1660.
II. The sum of number of boys in school J, K and L are 2400.