This is a shipment from Brazil to BKK and therefore DWS is not involved in the first place.
Its because client is in Singapore, therefore we contact client and assist to understand the problem.
Somkiat provided me with the cost and I have quoted to client with mark up to client in Singapore and they accepted it, but now you reveal the actual cost to client then there is no profit for us to share.
Anyway client just call me, please issue the invoice directly to them in Singapore and they will remit the amount to you in USD.
There is no problem for them to TT the amount to you.