S7 latest market price....   .00005105/ghs

S7 shop price...   .00008319/ghs (1 S7 unit .40431btc/4860ghs)

am i missing something or is the market price for S7 ghs
.000032/ghs cheaper than shop price?

 cant be bothered to math it out but that's a significant percentage diff.  whats up with that?