How to compare depend on only one field in each group  crystal report?
 
Group by Department 
 
Month  Dep         Salary              Allowance 
Nov     Admin     14 3,931,000   84,099,310
Dec     Admin     14 3,390,620   583,801
 
In the above report view, the report is group by department .
I want to highlight at only maximum Allowance field but not entire row in group in crystal report.
Please advice me
Thanks advance