Restriction of Keyfigures in BEX Query

Hi All,

How to restrict data of one key figure based on another key figure in SAP BEX Query.

Ex;

PO Number               Amount of PO                           Amount of RFQ

10000                             10                                               Nil

20000                             20                                               30

30000                             40                                               40

If Both amounts are equal ( Amount of PO and Amount of RFQ ), then I don't need to display the entire record.Could any one suggest how to solve this issue.

Thanks and regards,

Uma