Hi Nat,
We will have to let our accounts to advise us on this. Hope we can resolve your payment matters soon. Hope you understand the payment made in US dollars are exchanged by the bank and we will have it in SGD Singapore dollars. We will send original Invoice for your purchase and issue another credit note to balance the account.
Hope for future payment you do in Singapore dollars to our bank to avoid any inconvenience.
Please see our accounts statement till December 2014.
MEASUREMENTASIA CO.,LTD.