Proszę o sprawdzenie poniższego tekstu również pod względem użycia odpowiedniej formy słownictwa. gramatyki itp. dla listu formalnego
The first of all, I would like to know how much it would cost off-peak discounts and how much make installment?
Secondly, your advert states that you have phones with a lot of extras. What exactly does that mean? I Would like to know how much it would cost to purchase a mobile phone without extract?
Finally, in your advert is information that you have phones with picture messages facility. Could you tell me how much it would costs and would I be able to use this option if I went an abroad or some models just work in the Poland?