Car service city Honeydew

I recently had a power steering hose replace and charged over R4000. When i approached a hose company afterwards that I presume made the hose, they mentioned that a hose like that wouldnt be more than R500. Service city also flushed the system with new power steering oil, however the math doesn't make sense...R3500 for maybe an hours labour's and oil? The car was also returned with grease and oil marks on my upholstery. They boost an online review platform, where i made similar comments however no feedback.. beware..