Sherbet Punch - cooking recipe

Ingredients

1 large can unsweetened pineapple juice
2 (6 oz.) cans orange juice concentrate
2 (6 oz.) cans lemonade concentrate
3 cans water
2 large bottles 7-Up
orange sherbet

Preparation

Mix first 4 ingredients.
Add 7-Up just before serving.
When ready to serve, float orange sherbet on top.
Makes about 30 cups.