private function getAvgCost(Entity\TruckOrder $order, $count)
 {
     $cost = array();
     $cost['estimatedCost'] = $order->getEstimatedCost() ? $order->getEstimatedCost() / $count : 0;
     $cost['actualCost'] = $order->getActualCost() ? $order->getActualCost() / $count : 0;
     $cost['estimatedSecurityCost'] = $order->getEstimatedSecurityCost() ? $order->getEstimatedSecurityCost() / $count : 0;
     $cost['actualSecurityCost'] = $order->getActualSecurityCost() ? $order->getActualSecurityCost() / $count : 0;
     return $cost;
 }