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

Ingredients (13)

• + 1 (16 ounce) package elbow macaroni add to pantry
• + 2 ½ cups mayonnaise add to pantry
• + ¼ cup white vinegar add to pantry
• + 1 ½ teaspoons seasoned salt, or to taste add to pantry
• + 1 teaspoon white sugar add to pantry
• + 1 teaspoon garlic powder add to pantry
• ✓ 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 add to pantry
• + 1 small sweet onion, chopped add to pantry
• + 4 hard-boiled eggs, chopped add to pantry
• + 1 pinch paprika add to pantry