For our example, we set up rate #165, which is a weight-based secondary rate with a rate unit of dollars per ton. It also has a table of rates.

In the Expression Editor, we attached the following formula to the rate:

This illustration shows rate #165 applied to order #968, which has 20 tons recorded in the Weight field. From the rate table, the system selected the rate of $ 0.015, which is set up for 20 tons.