private static int getTotalCapitalSalesRevanue(
     String supplierName, List<ProductGroup> productGroups) {
   int total = 0;
   for (ProductGroup productGroup : productGroups) {
     for (Supplier supplier : productGroup.getSuppliers()) {
       if (supplier.getName().equals(supplierName)) {
         total += supplier.getEstimatedCapitalSalesRevanue2012();
       }
     }
   }
   return total;
 }