Firstly, I'd like to reassure you it's nothing to do with the lude (thankfully - even though this car cost me 10x more

Anyway, basically, I was parked in the local Tesco carpark the other day when a sign blew over and hit my car.
Here's the culprit:

I checked the damage and at the time it looked like a basic scratch that I could polish out, so I thought nothing of it and went about my normal shopping trip.
The next day, in daylight, I looked at it again and it has actually put a slight dent in the body:

You may not be able to see it properly in the pic, but does this look like it could be easily fixed? Would that be classed as broken paint or could it be repaired by one of these paintless dent removal companies?
I've reported it to Tesco customer services anyway and am hoping they'll sort it out, the car is less than a year old ffs.
I have no idea what happens with this kind of thing. Do you think Tesco are likely to sort it?
If not, I'm just hoping it's not too expensive
