Réclamation pour produits abîmés

Dear [Mr or Mrs or Sirs], We are sorry to inform you that the consignment we received yesterday contained two boxes [numéro] that had been opened and that the [produits] inside were damaged. Ten [produits] can be retailed at a discount, but the other [quantité] are smashed to pieces and are not to be sold. Could you let us know as soon as possible if you want us to return them and if you can supply us with the equivalent, within a period of [durée]. If this is not possible, we thank you to credit our account with [montant], this sum corresponding to the unmarketable [produits], and to grant us a discount for the other damaged ones. Ou bien: to send us a new invoice modified as follows: .... We look forward to hearing from you Yours sincerely [votre nom] [votre fonction]