The pie chart given below shows the amount spent by a distributer on publishing of six books. The total amount spent on all these six books is Rs. 72000. The amount spent on a particular book is shown in terms of degree with respect to the total amount spent on all these six book.

Which of the following statement is correct?

I. Ratio of amount spent on book B2 to the amount spent on book B3 is 11 ∶ 4.

II. The amount spent on book B1 is Rs. 20000 more than the amount spent on book B6.