which one sound better concern or interest, which looks same to me.
also, if you see any problems can you mark them for me? Thanks in advance.
1. Thank you for your concern about our project.
2.With regard to your [COLOR="red"]inquiry( or questoin??) [/COLOR]about budget, could you be more specific?
3. I assure you that I will do everything for your promotion.
4.However, should you have any interest in continuing our relationship at a later time, please do not hesitate to contace us.
5.Thank you very much for your concern, kindness, favor, etc.. everything you did for me during my stay.