WRONG AND BAD INFORMATION TO CUSTOMER

I WENT TO THE TRUWORTHS STORE IN LADY GREY STREET, PAARL TODAY, THE BOOTS THAT I WANT TO PURCHASE ON SPECIAL FOR R390...50% OFF, R290...IS MY CALCULATIONS OF 50% OFF WRONG OR YOURS MINE SAY R195....I ASKED THE LADY CAN I PLEASE GET IT EARLY TOMORROW MORNING AS I DID NOT KNOW IT WOULD BE R290, SHE REP**** NO. I ASKED WHY NOT R190 SHE COULD NOT ANSWER. I AM SO SHOCKED AT TRUWORTHS. PLEASE DO NOT SAY 50% OFF THEN YOU DO NOT REALLY GIVE 50% OFF THE PRICE.