Normally $10.69, sometimes on special for around $8.50, but I don't recall the last time it was at $6.50.
Hope it helps the cat owners :)
https://www.woolworths.com.au/shop/productdetails/806629/fel…
https://www.woolworths.com.au/shop/productdetails/806720/fel…
https://www.woolworths.com.au/shop/productdetails/806628/fel…
Cheapest I've ever seen it was $7.30, it's the only thing my cats like so this is great.