Toys r us equates to terrible service

Atrocious service from toys r us. I was in their tygervalley store and saw backpacks marked at R159. I proceeded to take 2 for my grandkids,after waiting 10min in the que due to only one till point being open and being used as the returns/refunds point it was my turn. On ringing up the 2 backpacks it reflects that they are R249 each. I say that this is unacceptable as according to the merchandising they are all hanging at the tags marked R159 which I proceed to take her to and point it out. The till operator shrugs and I proceed to ask for the manager. After a few minutes wait she arrives and says that the backpacks are hanging in the wrong place. I tell her that it is unfortunate but that it is a merchandising error on their part and it's understandable if one was hung out of place by a customer but that all the bags total of 8 were hanging under the tag of R159. She says that they will rearrange the bags but theres nothing she can do further. I say I dont agree and would like a customer care nr as I would like to know what the policy is regarding this. I phone customer services the following day and hold on for 17 MINUTES with no answer. I have phoned back 3 times since and held on for more than 7 minutes each time with still no answer. When you phone it answers the call automatically and you choose the extension.I have tried all three extensions and not one has been answered. Truly atrocious service toys r us........truly atrocious