Fee Jokes

I wanted to buy a $30 meal for my father, my grandfather and father-in-law. I figured they'd lump em all together and charge a reduced fee.
But no, I was charged $30 a pop.
Every time I passed a ring-shaped coral reef with a coral rim that encircles a lagoon, I had to pay a fee. It was atoll.
Why was the crow so angry after his stand up comedy gig? The venue paid him in coffee instead of caw fee.