For a start there is VAT. That’s 7%. That’s 627b. The rest is probably customs charges and or fees. Try that into the UK and it’ll be 20% VAT. And into Texas it’ll be 8.25% sales tax plus Federal customs and fees. Maybe these days a small flat fee of $100. Who knows. Who cares. My point is of course clear I hope. This has cost you next to nothing to clear customs and more to the point it arrived safely. Of course you could hire a good attorney in Bangkok to negotiate this charge down. I can recommend an excellent one. They will probably charge you 10,000b for the first initial consultation...... pay it. ... Next question