Increasing the total amount of WBS elements increase the management time essential to keep up the schedule and upgrade programs. The absolute simplest method would be to just earn a list of the sales income and another selection of their purchase expenses. If you want to secure more details, click the logo below. Or in the beginning, you are able to make easy spreadsheet record to keep an eye on your expenses and income. Simple spreadsheets you can set up using software such as Microsoft Excel will help you keep on top of everything.