How do I buy Kitty Dollars to feed my cat in the cattery?

[Katrin Bracken]

so how do you use the K$ to buy food in world?

[GhostCollective Resident]

when you right click an item in the store, you will get a pie menu. At the top it will show K$. Click on that and if you have enough K$ ( kitty dollars) then you can buy it Hope this answers your question.