/**
  * @param Account $account
  * @param string  $type
  *
  * @return Account
  */
 public function updateAccountType(Account $account, string $type) : Account
 {
     $type = AccountType::whereType($type)->first();
     if (!is_null($type)) {
         $account->accountType()->associate($type);
         $account->save();
     }
     return $this->find($account->id);
 }