public function run()
 {
     TaxRate::truncate();
     $tax_rates = array(array('name' => 'VAT 15%', 'user_id' => 2, 'rate' => 15), array('name' => 'MOMS 25%', 'user_id' => 2, 'rate' => 25));
     DB::table('tax_rates')->insert($tax_rates);
 }