Three Bean Salad

1 cn 16 oz cut green beans

1 cn 16 oz dark red kidney beans

1 cn 16 oz yellow wax beans

1 c Diced celery

1/2 c Minced onion

1/2 c Minced green bell pepper

1/2 c Cider vinegar

1/2 c Salad oil

1/2 c Granulated sugar

1 ts Salt

1/4 ts Pepper

Drain beans, place in mixing bowl. Add green bell pepper, celery and onion. Mix oil and vinegar with sugar, salt and pepper. Pour over bean mixture. Mix together. Transfer to large non metallic container. Cover and refrigerate overnight or longer for flavors to blend. Occasionally stir the mixture. Serve with slotted spoon.