NarCon Service©
[7] INVOICE
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The Invoicing is as easy as filling in your markups. The material and labor
cost, as well as the expenses, are automatically entered into the invoice entry
form when the technician turns in his hours for a job, and they are recorded.
You can review a summary of all current or past invoicing including whether or not they are paid.

The NarCon system even allows charting of invoices for comparing different years.
