Angry Birds Friends Power-ups got more expensive! (Price Increase)

I just noticed this morning: wingman(2) = 60 coins power potions(2) = 40 coins king slings(2) = 30 coins birdquakes(2) = 30 coins sling scopes(2) = 20 coinsI don't buy in bulk so I don't know if those prices went up also.when did this happen?