public function run()
 {
     $this->trancate();
     $tax_rate_23 = TaxRate::whereName("FPA 23%")->first();
     $tax_rate_8 = TaxRate::whereName("FPA 8%")->first();
     $tax_class_id = DB::table('tax_classes')->insertGetId(array('name' => "Taxable products", 'description' => "Taxable products"));
     DB::table('tax_rules')->insert(array('tax_class_id' => $tax_class_id, 'tax_rate_id' => $tax_rate_23->id));
     DB::table('tax_rules')->insert(array('tax_class_id' => $tax_class_id, 'tax_rate_id' => $tax_rate_8->id));
     $tax_class_id = DB::table('tax_classes')->insertGetId(array('name' => "Non Taxable products", 'description' => "Non Taxable products"));
 }