Regarding your shipment dated 24-July-2014, we sent you the actual quantity 770.5 pairs but total quantity in invoice was shown 769.5 pairs.
Therefore, we will include 1 pair, amount 8.00 USD ( PTVX Wh F SV MG70 -450 -175) in your next invoice.
Anyway, your matrix packing was correct because we made them by the actual quantity 770.5 pairs.