I took advantage of the overage to buy some Parmesan cheese. So I bought 4 packs of shredded + 1 Parmesan in each transaction.
3.96 (shredded) +3.49 (Parmesan) - 2.00 (2 coupons) =5.45
Getting back the 5.00 OYNO meant my final price was .45 for all.