sick of theft from cashiers

I paid my goods first got and attitude from the cashier then she have an attitude likeshe dont really want to be there i paid the stuff i dont have any coins in my purse so gave the lady R120 because my stuff is R110.32 when she returned my slip she never gave my change when i asked for change she say i only gave her R110 then the lady next to me said to her i gave her R120 then she called the so called supperviosor and say they will do a spot check after waiting 45MIN i went to supervisior and said sorry the cashier was not 1cent over or short she balance which is impossable because i never gave her coins so if i only gave her R110 she was sepouse to short 32cents. And another thing if she was short before my change should cover it but she was sepouse to short 32cents if i **** this is not the first time i have trouble like this with poor sevious attitude and theft from cashiers.