New Column Bar as a total as new bar

[Anonymous]

HI, 

I have the below dataset and when I create a stacked bar chart it gives all the color in a separate bar, but what I need at end of all the charts I need one more bar set which tells each color total as total Color.

Is this possible?

Color	Sales Amount
Black	18563966
RED	31108904
YELLOW	30885835
SILVER	46818587
BLUE	19694768
WHITE	14703152
Black	26452311
RED	11629379
YELLOW	7666825
SILVER	18734177
BLUE	23245343
WHITE	40660899
Black	37838457
RED	49901421
YELLOW	40292169
SILVER	35518979
BLUE	49505754
WHITE	8300381