PRICES

1. "Scoop Away" --> 39 per pound

2. "Worlds Best Cat Litter" --> $1.31 per pound

3. "Clear Choice"--> 2.37 per pound

The difference in the pricing of the cat litters are the following, "Scoop Away" which is 92 cents less than "Worlds Best Cat Litter",  and "Scoop Away" is  $1.98 less than "Clear Choice". Over all the best cat litter in pricing is scoop away.