i) Create a text file called transaction.txt manually and type following transaction details of a customer excluding headings. Here D - Deposit W-Withdrawals ii) The bank also needs to store account details of their customers in a text file called account.txt . The account details consist of account no., NIC no. , customer name and account balance. Input the account details of four customers from the key board and write to the text file account.txt . iii) Ask customer to input account number from the keyboard and read the relevant account balance from account.txt iv) Read the transaction details from the transaction.txt file and perform them on the account mentioned in part (III) v) Display updated balance of the account