$A$ and $B$ are partners in a firm sharing profits in the ratio $2:1$. $C$ is admitted into the firm with a $\frac{1}{4}\text{th}$ share in profits and brings $\text{Rs. }30,000$ as his capital. If the capitals of the old partners $A$ and $B$ are to be adjusted on the basis of $C$ 's capital contribution in their profit-sharing ratio, then what will be the adjusted capital of $A$?

1. A
   $\text{Rs. }50,000$
2. B
   $\text{Rs. }60,000$
3. C
   $\text{Rs. }30,000$
4. D
   $\text{Rs. }40,000$