Does it really matter? 8 and ten is so much easier to make money with. >.< Forces you to buy two packages of buns and only package, but then you're left with six buns so you must buy another ten but then you're left with four dogs and so then you must buy another package of buns but then you're left with four buns, so you must buy a package of hot dogs, but then you're left with six dogs, so you buy another bun package, and then you're left with two buns, so you buy another thing of hot dogs and then you're left with eight hot dogs, so finally, in order to get rid of them, you buy another package of buns.
Resulting in some weird number that is much too long and complicatedly drawn out. <-< And quite an empty pocket. Specially considering hot dogs are absolutely nasty.