A new iPad mini teardown analysis by IHS iSuppli shows that Apple is making up to a 43 percent gross margin on each 16GB Wi-Fi iPad miniit sells, reports AllThingsD. The BOM (bill of materials) shows that the components in a 16GB iPad mini with Wi-Fi costs Apple at least $188 in costs. Additionally, Apple only pays an additional $15.50 parts for the 32GB model and $46.50 for the 64GB model providing Apple with a gross margin of 52 percent and 56 percent respectively for those models.