Meritline offers two Canon-Compatible PGI-225 / CLI-226 Inkjet Cartridge 5-Packs (10 cartridges total) for $14.95. (Find this option under "Buy More Save More".) Coupon code "MLCB25ZN" cuts the price to $7.95. With free shipping, that's $0.90/cartridge, tied with our April mention, and the lowest total price we could find for this quantity elsewhere by $5, outside of the close price below. These cartridges fit several types of Canon inkjet printers and include colors black, cyan, magenta, and yellow.
OCProducts via Amazon offers a similar 10-pack for $8.50 with free shipping for Prime members.