Dear Denise - We can accept the unit back in unused condition and raise you a credit note to use against the prchase of the correct item, or other itmes. Kind regards, [edited]

Hi Denise. We have authorised the return of the goods.
Please ensure you do not write the RMA number directly on the box, as the whole unit needs to be in perfect condition so it can be re-sold.
Kind Regards,[edited]

Hi Denise
Just letting you know we have now raised the credit note against this returned item. Your colleague [edited]has ordered some products, so the credit note will be used against his purchase.
Please note this ticket will now be closed, if you need anything else please open a new ticket, or email [edited].
Kind regards,
[edited]