Saved Search to Show Highest Value on Summed Value

When creating a Customer saved search with the following results tab fields:

Field	Summary Type
Customer	Group
Opportunity: Sales Rep	Group
Opportunity : Projected Amount	Sum

Results with show all Sales Rep but results needs to be filtered to only show the highest value on the Sum of the projected amount

Customer	Sales Rep	Total Projected Amount
ABC1	Sales Rep A	P 63,200
ABC1	Sales Rep B	P 223,200
ABC1	Sales Rep C	P 53,200
ABC1	Sales Rep D	P 83,200

Formula to be used:

Field	Summary Type	Formula
Name	Group
Formula (Text)	Maximum	max({opportunity.salesrep}) keep(dense_rank last order by {opportunity.projectedtotal})
Formula (Text)	Maximum	sum({opportunity.projectedtotal}) keep(dense_rank last order by {opportunity.projectedtotal})