4 colors job to single color (Help needed)

[zarifkhan]

hi,

pls help me about CoreDraw, i'm just stuck in it, my customer saying that convert the four color job in single color pls kindly tell me how could i do that? or is it possible ? details would be really appreciated....

btw, i know about color replace, but as you can see there are alot of colors with gradients ....

attachment included..


thanks in anticipation,