Raghav lent ₹7,500 to Gopal for three years and ₹5,000 to Sachin for four years on simple interest at the same rate of interest and received ₹3,570 in all from both as interest. The interest paid by Sachin is:

A

₹1,580

B

₹1,500

C

₹1,680

D

₹1,600