Ravi borrowed ₹1,800 at 6% per annum and ₹2,800 at 7% per annum simple interest for the same duration and paid ₹2,736 in all as interest. His friend Shiv borrowed ₹2,500 at 8% per annum simple interest for the same duration. How much (in ₹) Shiv had to pay to clear off the loan?

A

3,900

B

4,500

C

4,300

D

4,000