Not knowing what you sheet looks like
Lets say ColumnA has Item ColumnB has Ratail ColumnC has Discount
ColumnD has Tax and Column E has TotalAmount
you could use this Discount entered in has positive number
=B2-C2+D2
use this Discount entered in has negative number
=B2+C2+D2


"smchevy95" wrote:

I can not figure out how to offer a discount on my invoice worksheet. I need
the discount to come before the sales tax