Yet again Steam amuses with it's regional pricing bullshit.
L.A. Noire - $29.99, 50% off = $14.99
L.A. Noire DLC Bundle - $17.99, 50% off = $8.99
So that's $23.98 for the game and it's DLC. But there's also this:
L.A. Noire: The Complete Edition (Game + DLC Bundle) - $59.99, 50% off = $29.99
So it's $6.01 cheaper to buy the game and the DLC bundle individually instead of the Complete Edition bundle of both items, which in theory as a bundle should be cheaper or at least equal in price.
Not the case in Canada. The base price of LA Noire: Complete is $39.99 here, so 50% off makes it $19.99, about $1 cheaper than buying them separately. Not planning to get it though.