In E-junkie Admin > Shipping Settings, put the price per ounce as 9.95 and 35 for domestic and international respectively. Now, set the weight of small box to 1.
While adding/editing your products, set their weight to 0, packaging to small box and capacity to 10000.
We do custom work at $150/hour, however, that's not to customize our own service. This functionality will anyway be rolled in our next update which will be this week or weekend itself.