Upset client

I bought a swim suit from Jet mam's mall and when I arrived at home i found that the swimsuit was too small for my baby,I used my last cash as it was the school trip time then when I took it back to jet,i was told the they don't take back the swimsuit,so I am used to buying underwear from Woolworths and they don't give me problems,I just don't understand what the problem is with her, and what must I do with the swimsuit,my daughter didn't even go out to the trip.haai maan this is irritating really