Example 3

In this example, you set up a fee billing line using the rate per hour method and you select the Cumulative check box. You generate one invoice, change the rate per hour, and then generate a second invoice.

This table describes how the system calculates the fee for the first invoice:

Rate Per Hour	Accumulated Invoice Hours (current invoice)	Accumulated Invoice Hours (previous invoices)	Fee Amount from Previous Invoices	Calculation	Fee Amount
10.00 USD	20	0	0.00 USD	((20 + 0) x 10.00) – 0.00	200.00 USD

This table describes how the system calculates the fee for the second invoice, after you change the rate per hour:

Rate Per Hour	Accumulated Invoice Hours (current invoice)	Accumulated Invoice Hours (previous invoices)	Fee Amount from Previous Invoices	Calculation	Fee Amount
15.00 USD	30	20	200.00 USD	((20 + 30) x 15.00) – 200.00	550.00 USD