A sum of ₹8,235 is divided between A, B, C and D such that the ratio of the shares of A and B is 3 : 4, that of B and C is 8 : 5, and that of C and D is 7 : 10. What is the difference between the shares of A and C?

A

₹270

B

₹310

C

₹405

D

₹315