Interest on Capital Questions

Ram and Laxman started business on 1st Jan 2020 with a capital of $\text{Rs. }1,20,000$ and $\text{Rs. }80,000$ respectively. Ram introduced $\text{Rs. }50,000$ to the firm on 1st July 2020 as additional capital. If the rate of interest is $15\%\text{ p.a.}$, assuming that accounts are closed as per calendar year, then the Interest payable to Ram on Capital would be: