Which of the following functions are performed by the Reserve Bank of India (RBI) in its role as the Banker to Banks?

1. It enables banks to maintain their accounts with the RBI for statutory reserve requirements.

2. It facilitates the settlement of interbank fund transfers.

3. It provides long-term capital loans to banks for infrastructure development.

4. It acts as the lender of last resort during financial distress.

Select the correct answer using the code given below: