Grid application using dynamic filter in the summary
  Group By
Customer Amount  Total - (Max)  Total - (Min) 
BLONP 1 $1,482.25 $1,482.25
CENTC 1 $125.84 $125.84
CHOPS 1 $786.50 $786.50
ERNSH 2 $3,201.66 $2,603.92
FOLKO 1 $882.09 $882.09
FRANK 1 $5,141.29 $5,141.29
GROSR 1 $1,413.28 $1,413.28
HANAR 2 $312.18 $175.86
HILAA 1 $1,441.11 $1,441.11
OTTIK 1 $2,202.20 $2,202.20
QUEDE 1 $536.03 $536.03
RATTC 1 $813.12 $813.12
RICSU 1 $3,185.93 $3,185.93
SPLIR 1 $64.13 $64.13
SUPRD 1 $3,268.21 $3,268.21
VICTE 1 $171.03 $171.03
WARTH 2 $1,829.52 $467.06
WELLI 1 $634.04 $634.04
WHITC 1 $828.85 $828.85
Grand Summary 22 $5,141.29 $64.13