Zinger Wings reduced not what i PAID FOR!!!!!!!

I am so dissapointed with KFC Kilner Park's drive through service, clearly they cannot handle a lot of orders or customers. I bought 10 wings when i got home i only found 5 wings in my pack and i fully paid. On top of understanding that they didn't have the white sauce for the twister i bought with the wings and i got that dissapointed with their wings. I did not go back because i live a bit far from them but this was just a huge disappointment.