Уважаемый продавец!Я оплатила товар

Уважаемый продавец!
Я оплатила товар по цене, которая была указана на сайте в день продажи.
Цена была для всех цветов одинаковая. Дороже был только серый цвет.
На каком основании вы сейчас просите доплатить еще 4 доллара???????

Результаты (английский) 1:

Dear seller!I paid for a product at a price that was listed on the site on the day of the sale.The price was the same for each color. More expensive was only gray.On what basis are you now asking to pay 4 dollars more??

Результаты (английский) 2:

Dear seller!
I pay for goods at a price that was listed on the site on the day of sale.
The price was the same for all colors. More expensive was just gray.
On what basis you are asking to pay another $ 4 ???????

Результаты (английский) 3:

dear seller! - i paid for the goods at a price that was listed on the website on the day of the sale.
price was for all colors the same. that was just the color gray.on what basis you are now asking pay another $4? ?? ?? ??