Condition Exclusion in MM

Dear All,

PLz Help me in Topic for Condition Exclusion in MM, As seen in Condition Type like PB00 there is a Exclusion Field in Control Data 2 Block and it is Marked 'X for Gross Price' for what purpose it is used . And there many values in the same field given below. When these input values are used.

A Delivery Costs

F Customs Duties

N Tax Code

O Event

U Metal Price

V Sales Price

X Gross Price

Regards

Ritesh.