Adding a dimension to a variable

1. Drag an index node, drop it a few inches on top of ‘car type’ index node. Type ‘Year’

2. Click on the key icon. Select ‘Description’ from the attribute popup menu.

3. Type ‘Year of ownership’, press alt+enter. Select ‘Definition’ from the popup menu.

4. Select ‘List’ from the expr popup menu. First cell is entered as 1, press Enter key twice to have 3 cells with appropriate nos.

5. Select ‘Maintenance cost’.

6. Click on the ‘Edit table’ button. Edit table window should come up. Click on the ‘index’ icon.

7. Select ‘Year’ in the index lists. Click arrow >>, then press ‘ok’.

8. Click on the 2nd column change units to ‘1500’ press arrow down key, type ‘2600’. Click on the 3rd column, enter ‘1700’ press arrow down key, enter ‘3000’. Click the check button.