Claire and three of her friends rushed over to Kilmore's Candy Shop straight away after school, hoping to beat the usual crowds. Kilmore's is famous among the local schoolchildren for having the most exotic and deliciously sweet candies available anywhere in the state. After much careful deliberation, each of the four girls decides to purchase a different type of candy, and each is served by a different salesperson. Using only the clues that follow, determine which salesperson served each girl, what each girl bought, and how much each paid for her sweets.
1. Between Claire and the customer Caleb served, one bought Maple Munches and the other made the most expensive purchase.
2. Willow's purchase cost more than Mandalyn's, which cost more than the Lemon Lites (which weren't sold by Dean).
3. The Fruit Fizzies cost $5.80.
4. Claire, who spent $7.50 on her candy, was served by either Bill or caleb