Bulk discount not app****

I'm a loyal dischem client with a dischem card. Purchased 3x shield rollon as a discounted price fi is R45 & one roll on is R19.95. No discount was app****. I remember. It for payment 1st up and together for. Nb. Only picked this up dew to lock down with time on hand and scrutinized slip. How many clients buy to get the assigned discount it is not app****.