Woolies prices rockets in 1 week!

Last week I checked the price for ribeye steak 28 day mature online and it was R249 per kilo. Today in the shop, the price is R279 per kilo. It was not on special last week so what's the deal here? Also the Woolies Foodstores at garages are more expensive than the normal stores even though I cleary remember that you advertised the prices to be the same. I would like some feedback on this please?