Spaghetti, macaroni

We want you to give us the unit price per bag so that we can book our order with you GOODS DESCRIPTION: spaghetti 500g 1 x 20 bags per carton and 250g 1 x 40 bags per carton We need the most slimming size Awaiting your quick response on this matter stating the unit price per each bag and unit price for carton.