Ethics question - what would you do in this situation?

This happened to me late last week. [I’ll tell you what I did in one of the follow-up postings.] I’m curious about what you would do.

—> Business trip, small town. Stayed at one of the mid-range hotels (Courtyard/Garden Inn, Hampton – it really doesn’t matter.

—> Hotel was being remodeled. Lobby was torn up, but the rooms on the upper floors were in fine shape.

—> Because of some of the remodeling, the water was off from 10:00am until 6:00 each day. Not a big deal; I didn’t get back to the hotel until 5:30 anyway.

—> Friday morning – woke up and wanted to take a hot shower before my meeting. Hotel water started out cool and ended up cold. Definitely NOT hot. Extremely unpleasant.

—> Bill was under the door when I woke up. When I checked out at the front desk, I argued about paying full price for a half-assed experience. Manager said he would refund me half the cost for my inconvenience (cold shower).

So I have two receipts, one with the full price, and one with the discounted fee for inconvenience.

Which do I turn into my employer for reimbursement? Should the company save money on the basis of my cold shower?