Approximate study time for this section

This Study Section should take approximately 6 - 8 hours to complete.

Other resources required for this section

To complete this Study Section you will need to have access to a computer with Microsoft Excel.

Note: This tutor program was originally designed for Windows 98 and Office 97 but we have kept it as general as possible so you can also use it on Windows and Office 2000 with a few simple changes that are highlighted in the text.