Classic Macaroni Salad

I haven't posted any recipes in a while, so I thought I would post one of my anytime summer  favorites!

4 cups uncooked elbow macaroni (I use whole wheat)
1 cup mayo
1/4 cup distilled vinegar
1/3 cup sugar
2 1/2 T prepared yellow mustard
1 1/2 tsp salt
1/2 tsp pepper
1 large onion, chopped
2 stalks celery, chopped
1 green bell pepper, chopped
1/4 cup grated carrot

Boil the pasta according to the package.  In a large bowl, mix together the mayo, vinegar, sugar, mustard, salt and pepper.  Stir in the onion, celery, green pepper, carrots and pasta.  Refrigerate for at least 4 hours before serving and preferably overnight.  Enjoy!