Meritline offers this Canon PGI-5 / CLI-8–Compatible Inkjet Cartridge Combo 8-Pack for $20.95. (It's the second option.) Coupon code "MLC5P2O3XNL1" knocks it to $10.95. With free shipping, that's tied with our expired mention from three weeks ago of a 9-pack with fewer color cartridges and $1 under the lowest total price we could find for this quantity elsewhere. It includes two ink cartridges each of black, cyan, magenta, and yellow.