Generate a correctly punctuated version of the following text: at your option repair or replace the goods at our cost including the cost of postage unless this would not be possible or would be disproportionately costly in the circumstances in which case we will refund to you the amount paid by you for the goods in question
- at your option, repair or replace the goods at our cost (including the cost of postage), unless this would not be possible or would be disproportionately costly in the circumstances, in which case we will refund to you the amount paid by you for the goods in question.