1. For you, we made two samples, including import and export duties, and sent them to you, but you only paid $146? 2. You are satisfied with the sample sent to you. 3. As for the amount of increase you mentioned, 1,000 euros is only 50 pieces, and 300 euros is 150 pieces, what's wrong with that? 4. You want to use your credit card in four installments. I think everyone understands that credit cards are risky. It's not just a small risk.