how much does canon 3-in-1 PIXMA MP170 ink catridge cost? black & colour?

how much does canon 3-in-1 PIXMA MP170 ink catridge cost? black & colour?

Everywhere I've looked it duplicate.

About $20 for black and about $25 for color. (Plus Shipping)

PG-40 = Black

CL-41 = Color (Three Color)
Here is the best price I found



http://www.acsmsupplies.com/items.asp?ca...