Piyush borrowed Rs. 6000 from Harshit at 10% compound interest per annum for 3 years and added some extra money and lent to Ketan at 20% compound interest per annum for 24 months. If Piyush got Rs. 1974 more interest than interest got by Harshit. Then find the extra money added by Piyush?
1
Rs. 2000
2
Rs. 2500
3
Rs. 2750
4
Rs. 3000
5
Rs. 3500