Vipul and Manish invested the sum of ₹ 15000 and ₹ 20000 at the rate of 20 percent p.a and 30 percent p.a. respectively on compound interest (compounding annually). If time period is 3 years for both, then what will be the total compound interest earned by Vipul and Manish?

A

₹31688

B

₹34860

C

₹32480

D

₹29460