Dear Rapeepon,
Thank you for the invoice.
Our contract rate is THB 5750 per night, stay 10/pay 8, plus breakfast on free nights:
THB 5750 x 8 nights = THB 46,000
THB 550 x 2 Adults x 2 nights = THB 2,200
TOTAL = THB 48,200
Please amend the invoice on your end.
Thank you and best regards,