Pet Oscar Fish HOW MUCH IS A LITTLE OSCAR FISH,,A MEDIUM OSCAR FISH,,AND A BIG OSCAR FISH IN THE PET STORE?

HOW MUCH IS A LITTLE OSCAR FISH,,A MEDIUM OSCAR FISH,,AND A BIG OSCAR FISH IN THE PET STORE? - pet oscar fish

PLEASE TELL ME I HAVE A 190 GALLON tell me what's in store for pets