public function index()
 {
     $c = Customer::get();
     $bankaccount = Bankaccount::joining();
     $voucher = Voucher::orderBy('id', 'desc')->where('type', 5)->take(10)->get();
     return view('contravouchar', compact('bankaccount', 'c', 'voucher'));
 }
 public function report()
 {
     $s = Supplier::get();
     $c = Customer::get();
     $bankaccount = Bankaccount::joining();
     $voucher = Voucher::orderBy('id', 'desc')->take(10)->get();
     return view('ledger', compact('bankaccount', 'c', 's', 'voucher'));
 }