Bad treated customer

I went to pick and pay clothing jabulani mall the service i got from cashier Musa a small boy i found a que no problem i followed it was crazy since it was sassa day when i arrive @ the till wanting to pay my bil he said third party its offline i asked him but you should tell customers that he said its not his responsibility i dont see his alone i asked how can you be slone monthend on sassa i asked to see the manager he refuse to call the manager i then bought hat and cloves he gave me change which was short with 10cents it might be little but its mine i am entitled to get it how many 10 cents he didn't give customers from the time he start to operate the till he then look for 10 cent under the counter and throw it to me and said here your 10 cent take it i didn't that was rude is it because its in black community dont know he doesn't have customer service @ all i don't think he knows the slogan of pick and pay that say a "CUSTOMER" ITS A QUEEN