Changes in the net working capital requirements: can affect the cash flows of a project every year of the project's life. only affect the initial cash flows of a project. only affect the cash flow at time zero and the final year of a project. are generally excluded from project analysis due to their irrelevance to the total project. reflect only the changes in the current asset accounts.

Project management can be defined as the process of designing, planning, developing, leading and execution of a project plan or activities using a set of skills, tools, knowledge, techniques and experience to achieve the set goals and objectives of creating a unique product or service.

Cash flow can be defined as the net amount of cash and cash- equivalents that is flowing into (received) and out (given) of a business. There are three components of the cash flow;

1. Operating cash flow: all cash generated from the business activities of an organization.

2. Financing cash flow: all payments made by an organization and profits from issuance of debts and equity.

3. Investing cash flow: costs associated with purchasing of capital assets and investments of cash resources in other businesses.

Generally, changes in the net working capital requirements can affect the cash flows of a project every year of the project's life.

Mathematically, Net cash flow = Receipts - Total payments