Which of the following two functions should be separated when designed a good system of internal controls?
a) Recording cash receipts when received and giving receipts to each customer
b) Recording a cash payment and recording a cash receipt for two separate transactions
c) Recording a cash transaction journal entry and ensuring it flows through properly to the statement of cash flows
d) Reconciling a bank account and purchased a company chequebook
e) Receiving cash from customers and recording related transactions