Walgreens - Chex Mix for $.50 each

At Walgreens through 1/18/12:
Buy 4 - Chex Mix 5.5-8.75 oz. @ 4/$6
Earn $2 RR on four
-$1/4 from Walgreens Coupon Booklet (found in-store by the weekly ad)
Use 2 -$0.50/2 Chex Mix printable
Total - $0.50 each

Thanks WildforWags!