Pick up the correct statement from the following:

• The receipts and disbursements in a given time interval are referred to as cash flow.
• The assumptions that all cash flows occur at the end of the interest period, is known as the end of period convention.
• A cash flow diagram is a graphical representation of cash flows drawn on a time scale.
• The cash flow diagram represents the statement of the problem and also includes what is given and what is to be found.
• All of the above.