Horrible Treatment

I hired a vehicle for 3 days starting from the 16th until the 19th of April. When I got to PE on the 16th, I was advised that they had no one to check the vehicle and that I could just take it as it was already at night and it was raining. when I got to the vehicle, I noticed a little scratch on the wind screen and the wipers were quite noisy, it felt like they were stretching the windscreen. to cut the long story short. I have just been advised that I will be billed for the scratch on the windscreen, its not even a crack but it is a scratch. I cannot believe it. anyways, I know how these big companies operate. there's not much I can do but to pay the amount. but I thought I would share so that as consumers, you know what to expect the next time you hire. Now I do not even know when I can expect my deposit back. really disappointing.