Sweet and Sour Meatballs

Meatballs:

1 lb. hamburger
1 cup bread crumbs or oatmeal
1 tsp. Garlic powder
1 tsp. Onion powder

Sauce:

2 cup water
2 TB. Worcestershire sauce
2 tsp. Vinegar
2 tsp. Prepared mustard
3 cups ketchup
1 cup brown sugar

Mix sauce and bring to boil. Add meatballs to sauce. Cover and simmer for 1 hour. Serve over rice.
Add pineapple chunks toward the end if desired