21. From the following particulars, ascertain the Pass Book balance of M/s Deepak & Co. as on 31st March, 2024:

1. Bank overdraft as per Cash Book on 31st March, 2024 ₹ 63,400.
2. Interest on overdraft for 6 months ending 31st March, 2024, ₹ 1,600 is entered in the Pass Book.
3. Bank charges of ₹ 300 for the above period are debited in the Pass Book.
4. Cheques issued but not presented for payment before 31st March, 2024 amounted to ₹ 11,680.
5. Cheques deposited into bank but not cleared before 31st March, 2024 were for ₹ 21,700. 
6. Interest on Investments collected by the bank is credited in the Pass Book         ₹ 12,000.