Group DSum

[Textbox1]

I need to find the DSum of a group heres what i got

Contractor Name Header
Contractor Name
Contractor Phone

Detail
Money Invested

Contractor Name Footer
Average Money Invested =DSum("Money","tbl_Contractor&quot


The DSum gives does not the SUM by group but rather gives me the SUM of Every contractors money invested.

any idea how to get the SUM of each individual contractor group?

 

[Textbox1]

This is what i want but i cant get the report to do a sum for each individual company and ideas!??

Jim's Steele
555-555-555

$1,000
$ 500
$3,000
------
$4,500

Toms Lumber
555-555-555

$3,000
$1,500
$3,000
------
$7,500

Jills Fish Food
555-555-555

$1,000
$1,000
$1,000
------
$3,000