My Mom's Awesome Macaroni Salad (enough to feed a crowd!)

Details

Ingredients

• 1 (16 ounce) package elbow macaroni
• 2 ½ cups mayonnaise
• ¼ cup white vinegar
• 1 ½ teaspoons seasoned salt, or to taste
• 1 teaspoon white sugar
• 1 teaspoon garlic powder
• ½ teaspoon ground black pepper, or to taste
• 2 (5 ounce) cans chunk light tuna in water, drained and flaked
• 2 (4 ounce) cans baby shrimp, drained
• 1 large cucumber, seeded and chopped
• 1 small sweet onion, chopped
• 4 hard-boiled eggs, chopped
• 2 hard-boiled eggs, sliced
• 1 pinch paprika