Four-Bean Salad

Ingredients

• 1/2 c. brown sugar, packed
• 1/2 c. oil
• 3/4 c. vinegar
• salt and pepper to taste
• 1 lb. can green beans, drained
• 1 lb. can wax beans, drained
• 1 lb. can red kidney beans, drained
• 1 pkg. frozen lima beans, cooked
• 1 small onion, sliced and rings separated
• 1 small jar chopped pimentos
• 4 to 6 stalks celery, chopped