Pants with different length legs

I bought pants from Queenspark at Eastrand Mall, Boksburg on Monday and upon fitting it on at home I found that the one leg was 3cm SHORTER than the other! I didn't notice this in the store but only when I started shortening them that I noticed the difference. Now my expensive pants are too short on the one leg and I can't return the pants either! <br> <br> I'm NOT happy about this...don't they have Quality checks to ensure that the basics are done right?? To be honest, how many people do you know buying pants check if the legs are the same length before leaving the store? <br> <br> This to me was the last straw as I would really buy at exception from them for a special occasion as I find them to be EXCESSIVELY overpriced and now their quality has also gone for a ball of chalk...very dissapointed!